- Ma, Shih Taun, Physicist
- Macadam, John (1827 - 1865), Chemist and Physician
- Macarthur, D.
- MacArthur, D. S., Mechanical engineer
- Macarthur, James (1798 - 1867), Explorer and Agriculturalist
- Macarthur, John (1767 - 1834), Soldier, Entrepreneur and Pastoralist
- Macarthur, William (1800 - 1882), Horticulturalist and Sheepbreeder
- MacArthur-Onslow, Dorothy Wolseley (1922 - ), Physician
- Macaulay, I. J., Electrical engineer
- Macbeth, Alexander Killen (1889 - 1957), Organic chemist
- MacCallum, Peter (1885 - 1974), Pathologist
- MacCarthy, Charles William (1848 - 1919), Physician
- MacCormick, Alexander (1856 - 1947), Surgeon
- Macdonald, A. S., Engineer
- MacDonald, Alexander Cameron (1828 - 1917), Surveyor
- Macdonald, Colin Ferguson (1895 - c. 1971), Radiologist
- Macdonald, Donald Alaster (1859 - 1932), Journalist and Science writer
- Macdonald, James David (1908 - ), Ornithologist
- MacDonnell, William John ( - 1910), Astronomer and Bank Manager
- MacDougall, James (1858 - 1942), Manufacturer
- MacDougall, James Kenneth (1884 - 1960), Engineer
- Macfarlane, Ian B., Engineer
- Macfarlane, Walter Victor (1913 - 1982), Physiologist
- MacGibbon, John McClew (1887 - 1977), Chemist
- MacGillivray, Alistair, Stonemason
- MacGillivray, Ian Hamilton (1899 - 1951), Physician and Ornithologist
- MacGillivray, John (1821 - 1867), Naturalist and Botanist
- MacGillivray, Paul Howard (1834 - 1895), Naturalist and Physician
- MacGillivray, William David Kerr (1867 - 1933), Naturalist, Physician and Ornithologist
- MacIvor, Ralph Waldo Emerson (c. 1852 - 1917), Agricultural chemist
- Mack, George (1899 - 1963), Museum director and Ornithologist
- Mackay, Charles Vincent (1880 - ), Medical scientist
- Mackay, Donald George (1870 - 1958), Explorer
- Mackay, Ian Reay (1922 - ), Medical scientist
- Mackay, Iven Giffard (1882 - 1966), Physicist
- Mackay, Kate, Physician
- Mackay, Patricia (1926 - ), Anaesthetist
- Mackay, Reginald William John (1901 - ), Electrical engineer
- Mackeddie, John Fullarton (1868 - 1944), Physician
- Mackellar, Charles Kinnaird (1844 - 1926), Physician
- MacKenzie, A.E., Aviator
- Mackenzie, Catherine Margaret (1915 - ), Nurse and Missionary
- Mackenzie, Helen Pearl (1913 - ), Physician and Missionary
- Mackenzie, James Kenneth (1920 - ), Physicist
- MacKenzie, William Colin (1877 - 1938), Orthopaedic surgeon and Anatomist
- Mackenzie, Winifred ( - 1972), Physician
- Mackerras, Ian Murray (1898 - 1980), Medical scientist
- Mackerras, Mabel Josephine (1896 - 1971), Parasitologist
- Mackey, George William (1906 - 1979), Meteorologist
- Mackie, Frederick (1812 - 1893), Naturalist, School teacher and Nurseryman
- MacKinnon, Ewen, Entomologist
- Mackney, Alan W. (1913 - ), Organic chemist
- MacLauren, Henry Normand (1835 - 1914), Physician and Vice-Chancellor
- Maclay, Nicholas - see Mikluho-Maklai, Nicholai Nicholaievich (1846 - 1936), Biologist and Explorer
- Maclean, Archibald Lang ( - 1922), Bacteriologist and Physician
- Macleay, George (1809 - 1891), Explorer and Zoologist
- Macleay, William John (1820 - 1891), Naturalist and Entomologist
- Macleay, William Sharp (1792 - 1865), Naturalist and Entomologist
- Macleod, Leonard Norman (1907 - 1969), Analytical chemist
- Macnamara, Annie Jean (1899 - 1968), Medical scientist
- Macnicol, Bettye - see Dixon, Bettye, Meteorologist
- Maconochie, Alexander (1787 - 1860), Geographer and Penal reformer
- MacPherson, Hope - see Black, Hope (1919 - )
- MacRea, Judith - see Parker, Judith Milburn (1936 - ), Nurse, Teacher and Scholar
- Madden, Frank (1847 - 1921), Judge and Parliamentarian
- Maddock, Cyril, Aviator
- Maddrell, R.J.C., Physicist
- Madigan, Cecil Thomas (1889 - 1947), Geologist and Explorer
- Madigan, Russel Tullie (1920 - 1999), Business executive
- Madsen, Hans Frandsen (1843 - 1937), Surveyor
- Madsen, John Percival Vissing (1879 - 1969), Physicist and Electrical engineer
- Magarey, A.T.
- Magarey, Thomas (1825 - 1902), Pastoralist
- Maguire, Frederick Arthur (1888 - 1953), Gynaecologist and Obstetrician
- Maher, Jack - see Maher, John Vincent ( - 1993), Meteorologist
- Maher, John Vincent ( - 1993), Meteorologist
- Mahler, Kurt (1903 - 1988), Mathematician
- Mahony, Daniel James (1878 - 1944), Geologist
- Mahony, John Joseph (1929 - 1992), Mathematician and Aeronautical engineer
- Maiden, Joseph Henry (1859 - 1925), Botanist and Museum curator
- Maier, V. M., Chemist
- Main, Albert Russell (Bert) (1919 - ), Zoologist
- Maine, Ross (1933? - 1986), Meteorologist
- Mair, Herbert Knowles Charles (1909 - 1999), Botanist and Orchidologist
- Maitland, Andrew Gibb (1864 - 1951), Geologist
- Maitland, Herbert Lethington (1868 - 1923), Surgeon and Physician
- Maj, Sophie, Aeronautical engineer
- Makinson, Kathleen Rachel (1917 - ), Physicist
- Makinson, Richard Elliss Bodenham (1913 - 1979), Physicist
- Malcomson, Thomas James (1909 - 1994), Engineer
- Malin, David, Astronomer and Photographer
- Malinek, Malvina (1937 - ), Medical scientist and Biochemist
- Malinowski, Bronislaw Kaspel (1884 - 1942), Anthropologist
- Malloch, Francis John (1883 - 1941), Analytical chemist
- Manchester, Richard Norman (1942 - ), Physicist
- Mander Jones, Burnet (1907? - 1962), Analytical chemist
- Mander, Lewis Norman (Lew) (1939 - ), Chemist
- Manfred, Edmund Cooper (1856 - 1941), Architect
- Mangles, James, Naturalist
- Mankin, Winifred Roby (1902 - 1972), Biochemist and Surgeon
- Mann, Edward Alexander (1874 - 1951), Chemist
- Mann, Gother Kerr, Civil engineer
- Mann, John Frederick (1819 - 1907), Surveyor and Explorer
- Mann, John Spencer (1904 - ), Entomologist
- Manning, James, Food technologist
- Mansfield, William Walladge (1924 - 1974), Industrial chemist
- Manton, Michael, Meteorologist
- Marceglia, Albina Zora (1919 - ), Clerk
- Marcelja, Stjepan (1941 - ), Applied mathematician
- Marchand, Explorer
- Marchant, Stephen (1912 - ), Geologist and Ornithologist
- Mares, David John (1879 - ), Meteorologist
- Marin la Meslée, Edmond Marie (1852 - 1893), Geographer and Public servant
- Mark, Richard Freeman ( - 2003), Medical scientist
- Marks, Alexander Hammett (1880 - 1954), Physician
- Marks, Elizabeth Nesta (1918 - 2002), Entomologist and Ecologist
- Marks, Geoffrey Charles, Forester
- Marks, Pat (Patricia) - see Marks, Elizabeth Nesta (1918 - 2002), Entomologist and Ecologist
- Markstein, J., Engineer
- Marlow, Alfred Dudley Roy (1918 - 1986), Analytical chemist
- Marmion, Robert James (1891 - 1969), Analyst
- Marr, Charles William Clanan (1880 - 1960), Electrical engineer
- Marr, Horace Victor (c. 1883 - 1960), Industrial chemist
- Marr, J. W. S., Antarctic explorer
- Marriott, Ida Louisa - see Lee, Ida Louisa (1865 - 1943), Historian
- Marsden, Samuel (1765 - 1838), Sheepbreeder and Cleric
- Marsh, Helene Denise (1945 - ), Zoologist
- Marsh, Loisette M., Marine zoologist
- Marshall, Alan John (Jock) (1911 - 1967), Zoologist, Explorer and Ornithologist
- Marshall, Ann (1909 - 2001), Geographer
- Marshall, Barry (1951 - ), Gastroenterologist
- Marshall, Joshua (1907 - 1964), Applied chemist
- Marston, Hedley Ralph (1900 - 1965), Biochemist
- Martin, Albert Frederick (1902 - ), Electrical engineer
- Martin, Arthur Warrington (1915 - ), Electrical engineer and Chemist
- Martin, Charles James (1866 - 1955), Physiologist and Pathologist
- Martin, Florence (1867 - 1957), Physicist
- Martin, Jack - see Martin, Thomas John (1937 - ), Physician and Medical educator
- Martin, James (1821 - 1899), Manufacturer and Politician
- Martin, Leslie Harold (1900 - 1983), Physicist
- Martin, Lyster Waverley Ormsby, Chemist
- Martin, Marjory-Dore (1933 - ), Science educator
- Martin, Raymond Leslie (1926 - ), Chemist
- Martin, Stanley Leonard (1903 - 1982), Teacher and Physicist
- Martin, Thomas, Manufacturer
- Martin, Thomas John (1937 - ), Physician and Medical educator
- Martyn, David Forbes (1906 - 1970), Radiophysicist
- Martyn, William Frederick, Naturalist
- Maslen, Edward Norman (1935 - 1997), Chemical physicist and Crystallographer
- Mason, Elizabeth Robyn (1946 - ), Medical administrator
- Mason, Ian Bruce (1941 - ), Meteorologist
- Mason, Peter (1922 - 1987), Physicist and Science broadcaster
- Mason, William Henry (1884 - ), Physicist
- Massey, Harrie Stewart Wilson (1908 - 1983), Mathematical physicist and Physicist
- Masson, David Orme (1858 - 1937), Chemist
- Masson, James Irvine Orme (1887 - 1962), Chemist
- Masson, Mary (1862 - 1945), Community service
- Masters, Colin Louis (1947 - ), Pathologist
- Masters, George (1837 - 1912), Entomologist
- Mather, Keith Benson (1922 - 2003), Physicist
- Mather, Patricia (1925 - ), Museum curator and Marine biologist
- Matheson, James Adam Louis (Louis) (1912 - 2002), Vice-Chancellor and Civil engineer
- Mathew, Felton, Surveyor
- Mathew, John (1849 - 1929), Anthropologist and Cleric
- Mathews, Gregory Macalister (1876 - 1949), Ornithologist
- Mathews, Hamilton Bartlett (1873 - 1959), Surveyor
- Mathews, John
- Mathews, Robert Hamilton (1841 - 1918), Surveyor and Anthropologist
- Mathias, L. E. S., Physicist
- Mathieson, Alexander McLeod (1920 - ), Chemist and Crystallographer
- Mathieson, Ian Hamilton (1911 - ), Radio engineer
- Mathison, Gordon Clunes McKay, Physiologist
- Matthaei, Ernst Artur Franz Joseph (1904 - 1966), Microscopist and Optical technician
- Matthews, Frederick Arnold (1890 - 1980), Analytical chemist
- Matthews, W. E., Chemical analyst
- Mattingley, Arthur Herbert Evelyn (1870 - 1950), Ornithologist
- Maudsley, Henry Carr (1859 - 1944), Physician
- Maund, John (1823 - 1858), Physician and Analytical chemist
- Maunder, Cyril Herbert, Physicist
- Maury, Matthew Fontaine (1806 - 1873), Meteorologist and Naval officer
- Mawby, Maurice Alan Edgar (1904 - 1977), Mineralogist and Business executive
- Mawson, Douglas (1882 - 1958), Geologist and Explorer
- Maxwell, Leslie Algernon Ivan ( - 1964), Biochemist and Physician
- Maxwell, Walter (1854 - 1931), Agricultural scientist
- May, Frederick (1840 - 1897), Engineer and Manufacturer
- May, Reginald Frank (1898 - 1980), Physician
- May, William Lewis (1861 - 1925), Conchologist
- Maynard, Frank Stewart (1911 - ), Electrical engineer
- Mayne, Tom (1901 - 1995), Industrial chemist
- Mayo, Alfred, Manufacturer
- Mayo, Helen Mary (1878 - 1967), Physician
- Mayo, Oliver (1942 - ), Biologist and Statistician
- McAlpine, Daniel (1849 - 1932)
- McArthur, Alan Grant (1923 - 1978), Forester
- McArthur, Kathleen Rennie (1915 - 2000), Botanical artist and Conservationist
- McArthur, Lester R.V. (1926 - 1961), Analytical chemist
- McArthur, Netta Agnes (Agnes) (1940 - ), Nurse administrator
- McAulay, Alexander (1863 - 1931), Mathematician and Physicist
- McAulay, Alexander Leicester (1895 - 1969), Physicist
- McBride, William Griffith (1927 - ), Obstetrician and Gynaecologist
- McBrien, Edward John (1902 - 1971), Analytical chemist
- McCaffrey, Francis (Frank) (1865 - 1932), Dairy expert
- McCall, John (1860 - 1919), Physician and Parliamentarian
- McCallum, Norman Elliott White (1915 - 1976), Forensic pathologist
- McCarthy, Doreen (1936 - ), Nurse administrator
- McCarthy, Emma Maud (1859 - 1949), Nurse
- McCarthy, Frederick David (1905 - )
- McCarthy, Gavan John (1956 - ), Science archivist
- McCarthy, Ian Ellery (1930 - 2005), Mathematical physicist
- McCarthy, Neville John (1929 - ), Medical scientist
- McCarthy, Timothy (1890 - 1952), Entomologist
- McClelland, David John (1873 - 1962), Engineer
- McClelland, Norman (1899 - 1980), Applied chemist
- McCloskey, Douglas Ian (1941 - )
- McColl, Leonard George (1902 - 1961), Applied chemist
- McComb, Arthur James (1936 - ), Botanist and Environmental scientist
- McComb, Jennifer Anne, Educator
- McCombie, Thomas (1819 - 1869), Journalist and Social scientist
- McConnel, Ursula Hope (1888 - 1957), Anthropologist and Ethnographer
- McCormick, John Thomas (1888 - 1951), Applied chemist
- McCoy, Frederick (1817 - 1899), Palaeontologist and Naturalist
- McCracken, Kenneth Gordon (1938 - ), Physicist
- McCracken, Robert, Food technologist
- McCrea, John Falding, Virologist
- McCready, Georgina (1888 - 1980), Nurse, Nurse administrator and Unionist
- McCulloch, Allan Riverstone (1885 - 1925), Icthyologist and Entomologist
- McCulloch, Duncan
- McCulloch, Ellen Margery (1930 - 2005), Ornithologist
- McCulloch, James Hogg (1893 - 1975), Applied chemist
- McCulloch, Jennifer, Science historian
- McCulloch, R. N., Chemist
- McCusker, Charles Brian Anthony (1919 - ), Physicist
- McCutcheon, Walter Osborn (Osborn) (1899 - ), Architect
- McDonald, Arthur Stephen (1891 - 1955), Radio engineer
- McDonald, Donald (1908 - ), Radio engineer
- McDonald, Gavin Grant (1920 - ), Metallurgist
- McDonald, Meg (1956 - )
- McDonald, Sue, Nurse educator
- McDonald, Sydney Fancourt (1885 - 1947), Paediatrician
- McDonald, Tracey Therese Anne (1949 - ), Nurse administrator and Nurse educator
- McDougall, Frank Lidgett (1884 - 1958), Statistician and Economist
- McDougall, Ian (1935 - ), Geoscientist
- McDougall, Robert (1813 - 1887), Agriculturalist and Cattle breeder
- McDougall, Trevor John (1952 - ), Oceanographer
- McDougall, William Alexander (1905 - ), Entomologist
- McDowall, Archibald (1841 - 1918), Surveyor
- McDowall, Valentine (1881 - 1957), Physician
- McEachran, John Fraser, Chemical analyst and Veterinary inspector
- McElhinny, Michael William (1933 - ), Geophysicist
- McElrea, William James (1913 - 1964), Analytical chemist
- McEvey, Allan Reginald (1919 - 1996), Ornithologist
- McEwan, Angus David (1937 - ), Oceanographer
- McEwin, George, Manufacturer
- McFadden, Phillip Lyle (1950 - ), Geophysicist
- McFie, Edward, Inventor
- McGee, James Dwyer (1903 - 1987), Physicist
- McGill, Arnold Robert (1905 - 1988), Business executive and Ornithologist
- McGillivray, Paul Howard - see MacGillivray, Paul Howard (1834 - 1895), Naturalist and Physician
- McGilp, John Neil (1881 - 1963), Pastoralist and Ornithologist
- McGinness, Paul Joseph, Aviator
- McGovern, Margaret Mary (1932 - ), Medical administrator
- McGowan, Samuel Walker (1829 - 1887), Telegraphic scientist and Administrator
- McGrath, Katherine Monica (1948 - ), Medical administrator
- McGregor, H., Author
- McIlroy, J., Archaeologist
- McIlwraith, Thomas (1835 - 1900), Member of Parliament and Capitalist
- McInerny, John, Geologist
- McIntosh, Alan Gaius Ramsay (1942 - ), Mathematician
- McIntosh, Robert Alexander (1939 - ), Agricultural scientist
- McIntyre, Archibald Keverall (1913 - 2002), Physiologist
- McIntyre, George A., Statistician
- McKay, Brendan Damien (1951 - ), Mathematician and Computer scientist
- McKay, Donald (1810 - 1880), Shipbuilder
- McKay, Hugh Victor (1865 - 1926), Manufacturer
- McKay, Roley, Technical officer
- McKell, William John (1891 - 1985), Governor-General and State Premier
- McKellan, Hamilton, Manufacturer
- McKellar, Bruce Harold John (1941 - ), Physicist
- McKelvey, John Lawrance (1881 - 1939), Surgeon
- McKenzie, Alexander John (1905 - ), Radio engineer
- McKenzie, Hugh Albert (1923 - ), Biochemist
- McKenzie, John Alexander (1947 - )
- McKeon, Gwladys Yvonne (1897 - 1979), Biologist and Natural history artist
- McKeown, Keith Collingwood (1892 - 1952), Entomologist
- McKeown, Malcolm
- McKern, Howard Hamlet Gordon (1917 - ), Chemist and Museum administrator
- McKinlay, John (1819 - 1872), Explorer
- McKinley, Sharon, Nurse educator
- McKinney, Hugh Giffen (1846 - 1930), Irrigation expert
- McLachlan, Elspeth Mary (1942 - ), Physiologist
- McLaren, Charles Inglis (1882 - 1957), Psychiatrist
- McLaren, Samuel Bruce (1876 - 1916), Mathematician and Physicist
- McLaughlin, Ada Mary (1881 - 1963), Botanical collector
- McLean, George D., Agricultural scientist
- McLeay, Alexander (1767 - 1848), Entomologist
- McLennan, Ethel Irene (1891 - 1983), Botanist and Plant pathologist
- McLennan, Ian Munro (1909 - 1998), Engineer and Business executive
- McLennan, William Rae (1882 - 1935), Natural history collector and Ornithologist
- McLeod, James Graham (1932 - ), Neurologist
- McLuckie, John (1890 - 1956), Botanist
- McMahon, Thomas Aquinas (1937 - ), Agricultural engineer
- McMaster, Fergus (1879 - 1950), Grazier, Business executive and Airline founder
- McMeeken, Joan Merrilyn, Physiotherapist and Educator
- McMichael, Jessie, Teacher and Ornithologist
- McMillan, Angus (1810 - 1865), Explorer
- McMillan, Margaret Anna, Nurse educator
- McMillan, Robert Edward Patrick (Bob) (1903 - 1997), Engineer and Conservationist
- McMillan, Thomas Law
- McMillen, Isabella Caroline (1954 - ), Physiologist
- McMullen, Gabrielle Lucy (1952 - ), Biochemist
- McMurray, Anne (1943 - ), Nurse educator
- McNally, John (1918 - ), Zoologist and Museum director
- McNaughtan, Alexander (1815 - 1884), Merchant
- McNaughton, Jean Wise (1919 - 2003), Nutritionist
- McNeill, John James (1916 - 1980), Chemical physicist
- McNiven, William Sutherland (1885 - 1937), Science educator
- McPhail, Annie - see Krefft, Annie
- McPhail, C. P.
- McPherson, Thomas (1822 - 1888), Merchant and Member of Parliament
- McRae, John Neil (Neil) (1914 - 1998), Meteorologist
- McWilliam, Ian Gordon (1933 - ), Physicist
- Mead, Elwood (1858 - 1936), Civil engineer
- Mead, Gertrude Ella (1867 - 1919), Physician
- Meakins, Reginald John (1913 - 1994), Industrial chemist
- Mealmaker, George (1768 - 1808), Weaver
- Meares, Mary Emma Goldsmith (1889 - 1964), Welfare worker
- Medland, Lilian Marguerite (1880 - 1955), Natural history artist and Ornithologist
- Medley, Gabriele (1935 - ), Pathologist
- Meehan, Francis Thomas (c. 1898 - 1957), Industrial chemist
- Meehan, James (1774 - 1826), Surveyor
- Mees, Gerlof F., Biologist and Ornithologist
- Megaw, Vincent, Archaeologist
- Mehaffey, Maurice William (1884 - 1970), Engineer
- Melhuish, Theodore d'Aveline (1897 - 1969), Industrial chemist
- Meller, Alexander (1906 - ), Industrial chemist
- Mellers, Alan Charles (1917 - 1979), Industrial chemist
- Mellor, David Paver (1903 - 1980), Inorganic chemist
- Mellor, John White (1868 - 1931), Ornithologist
- Melrose, Donald Blair (1940 - ), Astrophysicist
- Melville, James (1908 - 1984), Agricultural scientist
- Mencel, A. J., Electrical engineer
- Mendelsohn, Oscar Adolf (1896 - 1978), Analytical chemist and Food scientist
- Mendoza, D., Civil engineer
- Menelaus, Malcolm Benbow (1930 - 2000), Surgeon and Paediatrician
- Menge, Johann (1788 - 1852), Mineralogist and Geologist
- Menzel, Stanley William Otto (1926 - 2001), Manufacturer
- Menzies, Archibald, Surgeon and Naturalist
- Menzies, Mona (1920 - ), Nurse administrator
- Menzies, Robert Gordon (1894 - 1978), Barrister and Prime Minister of Australia
- Mepham, William Gordon (1896 - ), Teacher
- Mercer, Edgar Howard (1913 - ), Physicist and Biologist
- Meredith, Louisa Ann (1812 - 1895), Author
- Merfield, Zeus Amphion (1899 - 1965), Physicist
- Merrilees, Duncan, Archaeologist
- Messel, Harry (1922 - ), Physicist
- Meston, Archibald (1851 - 1924), Explorer and Journalist
- Meston, Archibald Lawrence (1890 - 1951), Anthropologist, Historian and Educator
- Meston, Leon Alexander (1878 - 1954), Analytical chemist and Metallurgist
- Metcalf, Donald (1929 - ), Medical scientist
- Metcalfe, James
- Metcalfe, K. A., Chemist
- Meulman, P., Electronic engineer
- Meyer, Felix Henry (1858 - 1937), Obstetrician and Gynaecologist
- Meyer, Richard Ernst
- Meyrick, Edward (1854 - 1938), Entomologist and Teacher
- Michael, James Henry (1920 - 2001), Mathematician
- Michaelis, Anthony R. (1916 - ), Science writer
- Michell, Anthony George Maldon (George) (1870 - 1959), Engineer and Inventor
- Michell, John Henry (1863 - 1940), Mathematician
- Middleton, William George Dyer (Bill) (1926 - ), Forester and Ornithologist
- Mikluho-Maklai, Nicholai Nicholaievich (1846 - 1936), Biologist and Explorer
- Milburn, Gerard James (1958 - ), Physicist
- Milburn, John Anthony (1936 - 1997), Plant physiologist and Botanist
- Milerum (1869? - 1941), Ethnologist
- Milius, Pierre Bernard, Explorer
- Miller, David (1857 - 1934), Public servant and Soldier
- Miller, Edmund Morris (1881 - 1964), Philosopher, Scholar and Psychologist
- Miller, Francis Bowyer (1828 - 1887), Assayer
- Miller, Gordon (1919? - 1993), Analytical chemist
- Miller, Jacques Francis Albert Pierre (1931 - ), Pathologist
- Miller, Joan C.
- Miller, William Walter (1901 - 1977), Electrical engineer
- Millett, Mervyn Richard Oke, Forester and Meteorologist
- Millicer, Henry A., Engineer
- Milligan, Alexander William (1858 - 1921), Natural history collector and Ornithologist
- Milligan, Joseph (1807 - 1884), Naturalist and Surgeon
- Millis, Nancy Fannie (1922 - ), Microbiologist
- Mills, Arthur Edward (1865 - 1940), Physician
- Mills, Arthur Godfrey (1907 - ), Chemist
- Mills, Bernard Yarnton (1920 - ), Physicist and Radioastronomer
- Mills, James Edward (1905 - 1943), Chemist
- Mills, John Archer (1919 - 1977), Organic chemist
- Milner, Christopher John, Physicist
- Milner, Dorothy Frances - see Forsaith, Dorothy Frances (1901 - 1907), Scientist and Administrator
- Minchin, Alfred Corker (1857 - 1934), Zoo director
- Minchin, Richard Ernest (1831 - 1893), Zoo director
- Minchin, Ronald Richard Luther (1904 - 1940), Zoo director
- Mingaye, John Charles Henderson (1859 - 1958), Chemical analyst
- Minnett, Harry Clive (1917 - 2003), Radiophysicist
- Minton, Clive Dudley Thomas (1934 - ), Business executive and Ornithologist
- Miskin, William Henry, Entomologist
- Mitchell, Graham Frank (1941 - ), Immunologist
- Mitchell, James
- Mitchell, James, Forester
- Mitchell, John, Food scientist
- Mitchell, John (1848 - 1928), Palaeontologist
- Mitchell, John Francis Huon, Linguist
- Mitchell, Josiah (1822 - 1887), Horticulturalist
- Mitchell, Lynn Raymond (1927 - ), Meteorologist
- Mitchell, Mark Ledingham (1902 - 1977), Biochemist and Physiologist
- Mitchell, R. S., Food scientist
- Mitchell, Ruby Frances (Mitch) (1916 - 2001), Nurse
- Mitchell, Thomas Livingstone (1792 - 1855), Explorer
- Mitton, Ronald Gladstone (1905 - ), Physicist
- Mjöberg, Eric Georg (1882 - 1938), Entomologist
- M'Lennan, Charles H. (1854? - 1915), Natural history collector and Ornithologist
- Moait, Sandra, Nurse administrator
- Mohr, Courtney Balthazar Oppenheim (1906 - 1986), Theoretical physicist
- Moir, Reginald John (1918 - ), Agricultural scientist
- Molesworth, Edmund Harold, Radiologist
- Moline, Arthur Howard Prichard, Mining engineer
- Molineux, Albert (1832 - 1909), Agriculturalist and Farmer
- Mollison, Crawford Henry (1863 - 1949), Pathologist and Forensic scientist
- Molloy, Georgiana (1805 - 1843), Botanist
- Molyneux, Grevor Chilton (Bing) ( - 2001), Aeronautical engineer
- Monash, John (1865 - 1931), Engineer and Administrator
- Moncrieff, Alexander Bain (1845 - 1928), Engineer
- Moncrieff, Perrine Millais (1893 - 1979), Ornithologist
- Money, Beth Joan Mavis - see Tuffley, Beth Joan Mavis (nee Money), Biochemist
- Monissey, Matthew John (c. 1909 - 1984), Physiologist and Ophthalmologist
- Monkivitch, Helen (1942 - ), Medical administrator
- Montgomery, Sydney Hamilton Rowan (1869 - 1916), Psychiatrist
- Moodie, Alexander Forbes (1948 - )
- Moore, Alan James William (1920 - ), Physicist
- Moore, Bertie Harcourt (1880 - 1947), Metallurgist and Mining engineer
- Moore, Charles (1820 - 1905), Botanist
- Moore, Charles F. (? - 1942?), Company director
- Moore, Humphrey Owen (1908 - 1963), Industrial chemist
- Moore, Jerry - see Moore, William (1859 - 1927), Surgeon
- Moore, John, Inventor
- Moore, John Barratt (1941 - ), Electrical engineer
- Moore, John Roy (1912 - ), Electrical engineer and Business executive
- Moore, Susan (1945 - ), Educator
- Moore, Thomas Bather (1850 - 1919), Explorer and Botanical collector
- Moore, Walter John (1918 - ), Physical chemist
- Moore, William (1859 - 1927), Surgeon
- Moorhouse, Charles Edmund (1911 - 2002), Electrical engineer
- Moors, Philip James (1948 - ), Conservationist and Ornithologist
- Moot, G., Administrator
- Moppett, Wenceslaus Warnford (Warnford) (1898 - 1982), Radiologist
- Moran, Herbert Michael (1885 - 1945), Surgeon
- Moran, Patrick Alfred Pierce (1917 - 1988), Statistician
- Moran, William (1944 - ), Mathematician
- Morawska-Ahearn, Jennifer Madeleine Alice (Jenny) (1954 - ), Company director
- Morcombe, Hilda Margaret - see Turnbull, Hilda Margaret (1942 - ), Politician
- Moresby, John (1830 - 1922), Hydrographer and Explorer
- Morey, Patricia Sue (1942 - ), Health administrator
- Morgan, Alexander Matheson (1867 - 1934), Physician and Ornithologist
- Morgan, Frederick Grantley (1891 - 1969), Medical scientist and Administrator
- Morgan, Harold Leslie (1901 - 1967), Industrial chemist
- Morgan, John
- Morgan, William (1828 - 1883), Merchant and Parliamentarian
- Morgan, William Longworth (1904 - 1968), Entomologist
- Moriarty, Barbara Ierne (1902 - 1979), Welfare worker
- Moriarty, Biddy - see Moriarty, Barbara Ierne (1902 - 1979), Welfare worker
- Moriarty, Bill - see Moriarty, W. W., Meteorologist
- Moriarty, Oliver M., Conservationist
- Moriarty, W. W., Meteorologist
- Moritz, Alan Gilbert (1936 - 1990), Chemist
- Morley, Frederick Harold William (1918 - 2001), Veterinary scientist
- Morris, Albert (1886 - 1939), Botanist
- Morris, Augustus (1820? - 1895), Pastoralist and Politician
- Morris, Bede (1927 - 1988), Immunologist and Pathologist
- Morris, John Malcolm, Veterinary inspector
- Morrison, Frank Richard (1895 - 1967), Chemist and Museum Director
- Morrison, George Ernest (1862 - 1920), Physician and Newspaper reporter
- Morrison, James Douglas (1924 - ), Chemist
- Morrison, Philip Crosbie (1900 - 1958), Naturalist, Science broadcaster and Ornithologist
- Morrison, William Allder, Dentist and Psychologist
- Morrow, James (1843 - 1910), Inventor and Manufacturer
- Morse, Roger Neill (1914 - 2003), Electrical engineer
- Mort, Thomas Sutcliffe (1816 - 1878), Business executive
- Mortensen, Kevin Newman (1917 - ), Teacher
- Morton, Alexander (1854 - 1907), Museum curator and Naturalist
- Morton, Cecil Charles, Geologist
- Morton, Donald Charles (1933 - ), Astronomer and Astrophysicist
- Morton, Merial Carr (1921 - ), Chemist
- Morton, Robert Kerford (1920 - 1963), Biochemist
- Morton, William Lockhart (1820 - 1898), Explorer and Inventor
- Mossop, John Garland (c. 1879 - 1957), Industrial chemist
- Mould, Jeremy Richard (1949 - ), Astronomer
- Mountain, Adrien Charles (c. 1849 - 1935), Civil engineer
- Mountford, Carolyn, Medical scientist
- Mountford, Charles Pearcy (1890 - 1976), Ethnologist and Author
- Moyal, Ann (1926 - ), Science historian
- Moyal, Ann Mozley - see Moyal, Ann (1926 - ), Science historian
- Moyal, Jose Enrique, Mathematician and Engineer
- Moye, Daniel George, Geologist and Engineer
- Moyer, Andrew J. (1899 - 1959), Microbiologist and Botanist
- Moyes, Morton Henry (1887 - 1981), Antarctic explorer and Meteorologist
- Mozley, Ann - see Moyal, Ann (1926 - ), Science historian
- Muffatti, A. H. (Arthur) ( - 1979), Meteorologist
- Mühl, Anita Mary, Psychiatrist
- Muir, Hugh (1923 - ), Metallurgist
- Mulcahy, Maurice Francis Robinson (1920 - ), Chemist
- Mules, W., Entomologist
- Mulhall, Harold (1915 - ), Mathematician
- Mulhearne, T., Metallurgist
- Mulholland, C.A., Chemist and Priest
- Müller, C. W. Chateau, Chemist
- Muller, Lawrence Louis (1922 - ), Food scientist
- Mulvey, Margaret - see Schlink, Margaret (1916 - ), Obstetrician and Gynaecologist
- Mumaw, Laura (1951 - ), Zoo director
- Mungomery, Reginald William (1901 - 1968), Entomologist
- Munro, Andrew Watson (1858 - 1944), Obstetrician and Gynaecologist
- Munro, David (1844 - 1898), Engineer
- Munro, George Hector (1901 - 1994), Radiophysicist
- Munro, Heather May (1943 - ), Obstetrician and Gynaecologist
- Munro, J., Potter
- Murchie, Euphemia Welch - see Ross, Euphemia Welch (1889 - 1971), Astronomer
- Murfett, A. M.
- Murphy, Arthur William (1891 - 1963), Engineer and Aviator
- Murphy, Brian Thomas, Surveyor
- Murphy, Herbert Dyce (1879 - 1971), Antarctic explorer
- Murphy, John, Explorer
- Murphy, Robert Kenneth (1887 - 1972), Chemist and Chemical engineer
- Murray, David George (c. 1883 - 1936), Mineral chemist
- Murray, Ian Provan Cathart (Provan) (1929 - 2000), Medical researcher
- Murray, Jack Keith (1889 - 1979), Agricultural scientist and Administrator
- Murray, Mitchell Durno (Durno) (1925 - ), Veterinary scientist and Ornithologist
- Murray, Noel William (1928 - 2001), Engineer
- Murray, Patrick Desmond Fitzgerald (1900 - 1967), Zoologist
- Murray, Reginald Augustus Frederick (1846 - 1925), Geologist
- Murray, Russell Mervyn (1877 - 1945), Mining engineer
- Murray, Stuart (1837 - 1919), Civil engineer and Administrator
- Murrell, Burton (1936 - 1995)
- Murrell, Timothy George Calvert (1933 - ), Physician
- Musgrave, Anthony (1895 - 1959), Entomologist
- Mushin, Rose (1905 - 2002)
- Mussen, Gerald (1872 - 1960), Entrepreneur and Journalist
- Mutton, Arthur Henry (1908 - 1986), Electrical engineer
- Myer, Kenneth Baillieu (1921 - 1992), Business executive and Science patron
- Myer, Sidney - see Myer, Simcha Baevski (1878 - 1934), Merchant and Philanthropist
- Myer, Simcha Baevski (1878 - 1934), Merchant and Philanthropist
- Myers, David Milton (1911 - ), Electrical engineer
- Myers, Sir Rupert Horace (1921 - )
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