- Cade, Jack - see Cade, John Frederick Joseph (1912 - 1980), Psychiatrist
- Cade, John Frederick Joseph (1912 - 1980), Psychiatrist
- Cadell, Francis (1822 - 1879), Explorer and Navigator
- Cahill, John Terence (1918 - 2001), Physician
- Cahn, Audrey Josephine (1905 - ), Dietician and Nutritionist
- Caire, Nicholas John (1837 - 1918), Photographer
- Cairn, Edward James, Natural history collector
- Cairns, Hugh William Bell (1896 - 1952), Neurosurgeon
- Cairns, John Edwin Ingliston (1901 - ), Physicist and Company director
- Calaby, John Henry (1922 - 1998), Naturalist and Ornithologist
- Calderbank, Kingsley Edward (1928 - 1979), Chemist
- Caldicott, Helen Mary (1938 - ), Paediatrician, Writer and Activist
- Caley, George (1770 - 1829), Botanist and Explorer
- Callaghan, Allan Robert (1903 - ), Agricultural scientist
- Callister, Cyril Percy (1893 - 1949), Chemist and Food technologist
- Callow, Joseph Royal (1910 - 1947), Electrical engineer
- Calvert, Betty - see Allan, Frances Elizabeth (1905 - 1952), Biometrician and Statistician
- Calvert, Caroline - see Atkinson, Caroline Louisa Waring (1834 - 1872), Naturalist and Writer
- Calvert, James Snowden (1825 - 1884), Explorer and Botanist
- Calvert, John (1814 - 1897), Mineralogist
- Calvert, Joseph (1906 - 1988), Botanist and Plant physiologist
- Calvert, Pat - see Calvert, Joseph (1906 - 1988), Botanist and Plant physiologist
- Cambage, Richard Hind (1859 - 1928), Surveyor and Botanist
- Cameron, Donald William (1935 - ), Organic chemist
- Cameron, Fiona Grant (1942 - ), Radiotherapist
- Cameron, Ian George Dewar (1929 - ), Engineer
- Cameron, Margaret Alison (1937 - ), Librarian and Ornithologist
- Cameron, Samuel Sherwen (1866 - 1933), Veterinary surgeon and Agricultural administrator
- Cameron-Traub, Elizabeth (1943 - ), Nurse educator
- Camfield, Julius Henry (1852 - 1916), Horticulturalist
- Campbell, Alfred Walter (1868 - 1937), Neurologist and Pathologist
- Campbell, Allan John (1911 - 1979), Radio engineer
- Campbell, Archibald George (1880 - 1954), Orchardist and Ornithologist
- Campbell, Archibald James (1853 - 1929), Ornithologist
- Campbell, Archie, Manufacturer
- Campbell, Frank (? - 1987), Science writer
- Campbell, Frederick Harper (1879 - 1958), Chemist
- Campbell, G. S., Forester
- Campbell, John Fauna (1853 - 1938), Surveyor and Botanist
- Campbell, Julie Hazel (1946 - ), Biologist
- Campbell, Kate Isabel (1899 - 1986), Paediatrician
- Campbell, Kenton Stewart Wall (1927 - ), Palaeontologist
- Campbell, Robert, Naval architect
- Campbell, Roderick Samuel Fisher (1924 - ), Veterinary scientist
- Campbell, Thomas Draper (1893 - 1967), Dentist and Anthropologist
- Campbell, Thomas Graham (1904 - ), Entomologist
- Campbell, Walter Scott (1844 - 1935), Public servant
- Canavan, Frank (1909 - 1995), Geologist
- Candy, Michael Philip (1928 - 1994), Astronomer
- Cane, William Lancashire (1911 - 1987), Horticulturalist
- Cannon, Robert (Bob) (1923 - 2001), Dentist
- Cantor, T., Entomologist
- Canty, Allan James, Chemist
- Carey, Gladys, Botanist
- Carey, Harvey McKay (1917 - 1989), Obstetrician and Gynaecologist
- Carey, Henry Charles (1793 - 1879), Economist and Social scientist
- Carey, Samuel Warren (1911 - 2002), Geologist
- Carleylle, A.C.L., Museum curator
- Carlisle, Edward Arthur (1900 - 1966), Chemist
- Carmichael, Archibald Drummond, Metallurgist
- Carne, Alan McArthur (1887 - ), Botanist and Sugar pioneer
- Carne, Joseph Edmund (1855 - 1922), Geologist and Museum curator
- Carne, P. B., Entomologist
- Carne, Walter Mervyn (1885 - 1952), Botanist and Plant pathologist
- Carnegie, David Wynford (1871 - 1900), Explorer
- Carnell, Anne Katherine (Kate) (1955 - ), Pharmacist and Politician
- Caro, David Edmund (1922 - ), Physicist and Administrator
- Carr, Denis John (1915 - ), Botanist
- Carr, Stella Grace Maisie (Maisie) (1912 - 1988), Botanist and Ecologist
- Carrick, Robert (? - 1988), Biologist and Ornithologist
- Carroll, Alan (c. 1823 - 1911), Anthropologist and Physician
- Carron, William (1821 - 1876), Botanist and Forester
- Carslaw, Horatio Scott (1870 - 1954), Mathematician
- Carswell, Douglas John (1929 - 1994), Chemist
- Carter, Alan Norval (1926 - 1989), Geologist and Marine scientist
- Carter, Charles Ernest (1885 - 1976), Forester and Botanist
- Carter, E., Viticulturist
- Carter, Herbert James (1858 - 1940), Entomologist
- Carter, Kathleen Janet (Jan) (1941 - ), Social scientist and Sociologist
- Carter, R. S., Engineer
- Carter, Susan Jill, Nurse and Politician
- Carter, Thomas (1863 - 1931), Ornithologist
- Carver, John Henry (1926 - 2004), Physicist
- Casey, Cornelius Gavin (1810 - 1896), Surgeon
- Casey, Dermot Armstrong (1897 - 1977), Anthropologist
- Casey, James Joseph (1831 - 1913), Politician and Judge
- Casey, Richard Gavin Gardiner (1890 - 1976), Science administrator and Governor-General
- Casimir, D. J., Food scientist
- Castelnau, Francis de la Porte (1810 - 1880), Explorer
- Catani, Carlo Giorgio Domenico Enrico (1852 - 1918), Civil engineer
- Catcheside, David Guthrie (1907 - 1994), Geneticist and Microbiologist
- Cattermole, Margaret Lyndsey (1948 - ), Company director and Software engineer
- Caughley, Graeme James (1937 - 1994), Ecologist
- Caulfield, Harold (1918 - 1994), Horticulturalist
- Cavallucci, V. L., Electronic engineer
- Cavill, George William Kenneth (1922 - ), Chemist
- Cawthorne, William Anderson (? - 1897), Conchologist and Teacher
- Cawthron, Edward Robert, Electronic engineer
- Cayley, Neville Henry Pennington (1853 - 1903), Artist and Ornithologist
- Cayley, Neville William (1886 - 1950), Ornithologist
- Chadim, Helen
- Chadim, V.A., Orchidologist
- Chaffer, Norman (1899 - 1992), Business executive, Photographer and Ornithologist
- Chaffey, George (1848 - 1932), Irrigation expert
- Chaffey, William Benjamin (1856 - 1926), Irrigation expert
- Chalk, Aubrey Stubbing (1883 - 1957), Business executive and Ornithologist
- Challen, M.B. (? - 1961), Analytical chemist
- Challinor, Richard Westman (1874 - 1951), Chemist
- Challis, Charles Clifford (1901 - 1965), Industrial chemist
- Chalmers, John Phillip (1937 - ), Medical researcher
- Chalmers, Robert Oliver, Geologist and Mineralogist
- Chalmers, William Edwin (Bill) (1924 - 2001), Orthodontist
- Chamberlain, Albert William, Manufacturer
- Chamberlain, Marie Elizabeth, Nurse educator
- Chamberlain, Noel Gordon (1916 - ), Geophysicist
- Chamberlain, William John (1896 - 1983), Chemist
- Chambers, Enoch, Manufacturer
- Chambers, Thomas Carrick (1930 - ), Botanist
- Champion de Crespigny, Constantine Trent (1882 - 1952), Physician
- Chandler, B. V., Food scientist
- Chandler, Leslie Gordon (1888 - 1980), Ornithologist and Photographer
- Chang, Victor (1936 - 1991), Cardiologist and Surgeon
- Chapman, A., Biologist
- Chapman, Frederick (1864 - 1943), Palaeontologist
- Chapman, Henry George (1879 - 1934), Physiologist
- Chapman, Robert William (1866 - 1942), Engineer and Mathematician
- Chapman, W. S. (? - 1958), Analyst
- Chapman, Wilfrid Dinsey (1891 - 1955), Engineer
- Chappell, Bruce William (1936 - ), Geologist and Geochemist
- Chappell, John Michael Arthur (1940 - ), Geoscientist
- Chapple, M. A., Computer scientist
- Chapple, Phoebe (1879 - 1967), Physician
- Charlwood, Robyn Anne (1956 - ), Dietician
- Charters, William Wallace Stewart (Bill) (1935 - ), Engineer
- Chase, Eleanor Emily (1896 - 1926), Zoologist
- Chatfield, Florence (1867 - 1949), Nurse and Hospital administrator
- Chauncy, Philip Lamothe Snell (1816 - 1880), Surveyor and Anthropologist
- Checchi, Ettore (1853 - 1946), Engineer
- Cheel, Edwin (1872 - 1951), Botanist
- Cheetham, R., Pharmaceutical manufacturer
- Chenery, Arthur (1869 - 1948), Physician and Ornithologist
- Cherry, Francis, Surveyor
- Cherry, Richard Ormond (1903 - 1996), Physicist
- Cherry, Thomas (1861 - 1945), Bacteriologist and Agricultural scientist
- Cherry, Thomas Macfarland (1898 - 1966), Mathematician
- Cherry-Garrard, Apsley G.B. (1886 - ), Zoologist
- Cheuychit, Pradit (1926 - 1988), Organic chemist
- Chewings, Charles (1859 - 1937), Geologist and Anthropologist
- Chidley, William James (1860? - 1916), Philosopher
- Child, William Knox (1793 - 1874), Company director
- Childe, Vere Gordon (1892 - 1957), Archaeologist and Political theorist
- Chinner, John Harding
- Chisholm, Alexander Hugh (Alec) (1890 - 1977), Naturalist, Journalist and Ornithologist
- Chisholm, Edwin Claude, Entomologist
- Christensen, F. J., Forester
- Christian, Clifford Stuart (1907 - 1996), Agricultural scientist
- Christian, John Hinton Bassett (1925 - ), Microbiologist
- Christiansen, Wilbur Norman (Chris) (1913 - ), Electrical engineer
- Christidis, Leslie (Les) (1959 - ), Ornithologist
- Christie, Thelma Isabel (1913 - 1966), Analytical chemist
- Churchill, David Maughan (1933 - ), Botanist
- Churchward, Clifton Reed (1883 - 1962), Analytical chemist
- Cilento, Raphael West (1893 - 1985), Medical administrator and Public servant
- Clapp, Francis Boardman (1833 - 1920), Business executive
- Clapp, Harold Winthrop (1875 - 1952), Administrator
- Clare, Judith Mary, Nurse educator
- Clarebrough, Leo Michael (1924 - ), Metallurgist
- Clark, Arthur Temple, Land inspector
- Clark, Donald (1864 - 1932), Science educator
- Clark, Doreen Veronica, Company director
- Clark, Edward Vincent (1876 - 1952), Electrical engineer
- Clark, Gordon Colvin Lindesay (Lindesay) (1896 - 1986), Mining engineer and Company director
- Clark, Graeme Milbourne (1935 - ), Otolaryngologist
- Clark, Heaton, Engineer
- Clark, Henry William (1865 - 1930?), Mining engineer
- Clark, Hubert Lyman (1870 - 1947), Zoologist
- Clark, John Howard (1830 - 1878), Assayer and Merchant
- Clark, Marie Coutts (1908 - ), Physicist and Spectrochemist
- Clark, Matthew Symonds, Ornithologist and Aviculturalist
- Clark, Merial Carr - see Morton, Merial Carr (1921 - ), Chemist
- Clark, Mortimer
- Clarke, Adrienne Elizabeth (1938 - ), Botanist
- Clarke, Andrew (1824 - 1902), Science patron, Surveyor and Politician
- Clarke, Benjamin
- Clarke, John Russell (1916 - 1995), Chemist and Polymath
- Clarke, Raymond W. (1930 - ), Meteorologist
- Clarke, Reginald Henry (1914 - 1990), Meteorologist
- Clarke, William Branwhite (1798 - 1878), Geologist
- Clarke, William John (1831 - 1897), Stud-breeder, Philanthropist and Agriculturalist
- Clark-Lewis, John William (1920 - ), Organic chemist
- Clarkson, William (1859 - 1934), Naval officer
- Cleland, John Burton (1878 - 1971), Pathologist, Epidemiologist and Ornithologist
- Clemens, Mary Strong (1873 - 1968), Botanical collector and Explorer
- Clement, Dixie Paumier (1879 - 1935), Physician and Obstetrician
- Clements, Frederick Moore (1859 - 1920), Pharmacist and Manufacturing chemist
- Clendinnen, F. W. J., Chemist
- Clendinnen, Frederick John (1860 - 1913), Radiologist
- Clendinnen, Leslie John (1887 - 1954), Radiologist
- Clerehan, Brian (1918 - 2001), Physician and Military doctor
- Clerk, Henry, Marine surveyor and Naval officer
- Cliff, Julie Laraine (1944 - ), Physician, Medical educator and Epidemiologist
- Clifford, H. Trevor (1927 - ), Botanist
- Close, John Campbell (1881 - 1953), Electrical engineer
- Clothier, William Keith (1914 - ), Physicist
- Cloud, Thomas Charles, Mineralogist
- Clubbe, Charles Percy Barlee (1854 - 1932), Paediatrician
- Clunies Ross, William Ian (1899 - 1959), Parasitologist and Veterinary scientist
- Clunies Ross, William John (1850 - 1914), Science educator
- Clyne, Densey (1926 - ), Naturalist
- Coad, Alan Rawle (1919 - ), Chemical engineer and Salinity expert
- Coane, John Montgomery (1848 - 1923), Surveyor and Engineer
- Cobb, Freeman (1830 - 1878), Business executive and Coachline proprietor
- Cobb, Nathan Augustus (1859 - 1932), Plant pathologist and Biologist
- Cobbett, William (1763 - 1835), Agriculturalist and Politician
- Cobley, John, Medical historian
- Cochrane, Harold Clyde, Biochemist and Medical researcher
- Cochrane, John Robert Swan (1891? - 1955), Chemist
- Cockburn, Jill (1961 - ), Psychologist and Educator
- Cockerell, J.T., Zoological collector
- Cockle, James (1819 - 1895), Barrister, Chief justice and Mathematician
- Coggan, Tom Colston (1897? - 1952), Industrial chemist
- Coghlan, Timothy Augustine (1855 - 1926), Statistician
- Cohen, Alan, Pharmacist
- Cohen, Dick - see Kingsland, Richard (1916 - ), Aviator and Public servant
- Cohen, Dick (1916 - ), Aviator
- Cohen, Douglas Harry, Paediatrician
- Cohen, Fanny (1887 - 1975), Mathematician and Educator
- Cohen, L. H., Computer scientist
- Cohen, Wilby Edison (1902 - 1969), Industrial chemist
- Cohns, Food scientist
- Coldicutt, Beth, Educator and Engineering teacher
- Cole, Andrew Reginald Howard (1924 - ), Chemist
- Cole, Frank Hobill (1863 - 1934), Paediatrician
- Cole, Joan Helen, Physiotherapist and Educator
- Cole, Keith David (1929 - ), Physicist
- Cole, William Frederick (1917 - ), Physicist
- Coleman, J. D., Forester
- Colenso, William, Botanist and Missionary
- Colless, Don, Entomologist and Taxonomist
- Collie, Alexander (1793 - 1835), Physician and Explorer
- Collie, George (1893 - 1961), Industrial chemist
- Collie, Jean Patricia (1944 - ), Medical administrator
- Collins, Brian Gordon (c. 1937 - ), Zoologist, Physiologist and Ornithologist
- Collins, H. E., Author
- Collins, James Desmond (1929 - 1968), Manufacturing chemist
- Collins, Marjorie - see Shiels, Marjorie (1895 - 1970), Ecologist
- Colquhoun, Alan R., Naval architect
- Colquhoun, Thomas Talbot (1904 - ), Plant pathologist and Botanist
- Colson, Edmund Albert (Ted) (1881 - 1950), Anthropologist and Explorer
- Colvin, Roy Stanley (1898? - 1951), Manufacturing chemist
- Colwell, Max, Writer
- Compere, George, Entomologist
- Compston, William (1931 - ), Physicist
- Comte de Castelnau - see Laporte, François Louis (1810 - 1880), Diplomat, Entomologist and Icthyologist
- Comte de La Pérouse - see La Pérouse, Jean-François de Galaup (1741 - 1788), Navigator
- Conder, William Jacomb, Surveyor
- Condon, Herbert Thomas (1912 - 1978), Ornithologist and Taxonomist
- Connah, Frank Edwin (1874 - 1950), Analytical chemist
- Connell, John William (1913 - ), Engineer
- Connick, Wynford (1934 - ), Aeronautical engineer
- Connolly, Donald Hamilton (1909 - ), Radio engineer
- Connor, Andrew Kenneth (Ken) (1906 - 1990), Applied physicist and Educator
- Connor, Annie Jean - see Macnamara, Annie Jean (1899 - 1968), Medical scientist
- Conrick, Horatio Victor Patrick (1882 - 1960), Physician
- Considen, Dennis (? - 1815), Natural history collector and Surgeon
- Conyers, Evelyn Augusta (1870 - 1944), Nurse
- Coode, John (1816 - 1892), Civil engineer
- Cook, Cyril Lloyd (1923 - 1977), Chemist
- Cook, G. A, Food scientist
- Cook, George Alfred (1892? - 1958), Science administrator
- Cook, James (1728 - 1779), Navigator and Explorer
- Cook, Nancy (1910 - ), Bacteriologist
- Cooke, Frank Basil (1892 - 1967), Electrical engineer and Mathematics teacher
- Cooke, William Ernest (1863 - 1947), Astronomer and Meteorologist
- Cooke, William Ternent (1877 - 1957), Chemist
- Cooksey, Thomas (1864 - 1948), Analytical chemist
- Cookson, Isabel Clifton (1893 - 1973), Botanist
- Cooling, Lance E. (1893 - 1924), Entomologist and Health inspector
- Coombes, Lawrence Percival (1899 - 1988), Aeronautical scientist
- Coombs, Frank A. (1877 - 1964), Chemist
- Cooper, Charles
- Cooper, Daniel, Merchant and Philanthropist
- Cooper, Joan (1949 - ), Educator and Information technologist
- Cooper, Lilian Violet (1861 - 1947), Physician
- Cooper, Roy Percy (1907 - 1976), Ornithologist
- Cooper, W. T.
- Cooper, William Thomas (1934 - ), Bird artist and Ornithologist
- Coppleson, Victor Marcus (1893 - 1965), Surgeon
- Corben, Herbert Charles (1914 - ), Physicist
- Corbould, William Thomas Henry (1866 - 1949), Chemist and Mining engineer
- Cordingley, Thomas, Food technologist
- Corin, William (1867 - 1929), Electrical engineer
- Corkill, Arthur Basil (1898 - 1958), Medical scientist
- Corlette, James Montagu Christian (1880 - 1969), Engineer
- Cornell, Bruce, Physicist
- Cornford, Pamela Athalie Diedre - see Rickard, Pamela Athalie Deidre (1928 - 2002), Biochemist and Biotechnologist
- Cornforth, John Warcup (1917 - ), Chemist
- Cornish, Allan William (1910 - 1995), Meteorologist
- Cornish, Edmund Alfred (1909 - 1973), Mathematician and Statistician
- Cornish, Edwina Cecily, Educator and Biotechnologist
- Cornish, Neil, Physicist
- Cornthwaite, George, Surveyor
- Cornwall, Edward Mayler (1861 - 1937), Ornithologist
- Cortis-Jones, Beverly (1913 - 1994), Chemist
- Cory, Suzanne (1942 - ), Biochemist and Molecular oncologist
- Costa, Marcello (1940 - ), Neurophysiologist
- Costin, Alec Baillie (1925 - ), Ecologist
- Cotter, Thomas Young (1805 - 1882), Physician
- Cotton, Frank Stanley (1890 - 1955), Physiologist
- Cotton, John (1802 - 1849), Naturalist, Pastoralist and Ornithologist
- Cotton, Leo Arthur (1883 - 1963), Geologist and Geographer
- Cottrell-Dormer, W. (1901 - ), Agriculturalist
- Coulson, W. H., Chemist
- Coulthard, Faith - see Thomas, Faith (1933 - ), Nurse and Midwife
- Counsel, Edward Albert (1849 - 1939), Surveyor
- Courtice, Frederick Colin (Colin) (1911 - 1992), Pathologist
- Courtis, Henry (1829 - 1883), Chemical engineer
- Courtney, John Edgar (1934 - ), Farmer and Ornithologist
- Courtney-Pratt, Jeofry Stuart (1920 - ), Physical chemist and Applied physicist
- Covington, Syms (1813 - 1861), Natural history artist and Servant
- Cowan, Henry Jacob (1919 - ), Architectural scientist
- Cowan, Ian Roy (1931 - )
- Cowan, Richard, Statistician
- Cowan, Robert James (1900 - 1959), Biochemist
- Cowley, John Maxwell (1923 - 2004), Physicist
- Cowling, David Crosby (1920 - 2002), Pathologist and Haematologist
- Cowling, Michael George (1949 - ), Mathematician
- Cowlishaw, Leslie (1877 - 1943), Physician and Medical historian
- Cox, Edward William
- Cox, Graeme Barry (1939 - ), Biochemist
- Cox, James Charles (1834 - 1912), Physician and Conchologist
- Cox, James D.
- Cox, Stewart Francis (1924 - 1979), Chemist
- Cox, William (1764 - 1837), Construction engineer
- Coxen, Charles (1809 - 1876), Naturalist and Politician
- Coxen, Elizabeth - see Gould, Elizabeth (1804 - 1841), Natural history artist
- Coxen, Elizabeth Frances (1825 - 1906), Naturalist and Meteorologist
- Coyle, Patricia Margaret, Anaesthetist and Physician
- Crabtree, Raymond William (1903 - 1986), Physicist
- Cracknell, Edward Charles (1831 - 1893), Electrical engineer and Telegraph expert
- Cragg, Brian Gaston (1926 - ), Physiologist
- Craig, David Parker (1919 - ), Chemist
- Craig, Donald (1914 - ), Electrical engineer
- Craig, Robert Gordon (1870 - 1931), Surgeon
- Craik, Wendy (1949 - ), Company director and Zoologist
- Cramond, Teresa Rita O'Rourke (Tess) (1926 - ), Anaesthetist and Educator
- Crawford, Alexander (1857 - 1935), Agriculturalist
- Crawford, Frazer Smith (c. 1829 - 1890), Entomologist and Photolithographer
- Crawford, John Grenfell (1910 - 1984), Economist
- Crawford, John Maxwell (1946 - 1975), Industrial chemist
- Creaghe, Emily Caroline, Explorer
- Creed, James, Physician
- Creig, Jenny - see Greig, Janet Lindsay (1874 - 1950), Physician and Anaesthetist
- Crespin, Irene (1896 - 1980), Micropalaeontologist and Geologist
- Cribb, Joan Winnifred (1930 - ), Botanist
- Crickard, Nathaniel, Naval officer
- Crocker, Ann D (1942 - ), Educator and Pharmacologist
- Crocker, Robert Langdon, Biologist and Plant ecologist
- Croft, Robert Clyde (1918 - 1991), Industrial chemist
- Crohn, Peter Wolfgang Reginald (1925 - 2000), Geologist
- Croll, Joan (1928 - ), Pathologist and Radiologist
- Croll, Una - see Croll, Joan (1928 - ), Pathologist and Radiologist
- Cromer, R. N., Forester
- Crommelin, Minard Fannie (1881 - 1972), Conservationist and Postmistress
- Crompton, James Woodhouse (1924 - ), Engineer
- Crompton, Robert Woodhouse (1926 - ), Physicist
- Crooke, Edward (1810 - 1873), Pastoralist
- Cross, Jean Alison, Educator
- Cross, Patricia Anne (1959 - ), Company director
- Crouch, J.W.C., Anthropologist
- Crouchley, Jim (1921 - ), Physicist
- Crowder, Robert Bernard (1930 - 2006), Meteorologist
- Crowe, Robert (1867 - 1955), Food technologist and Agricultural administrator
- Crowley, Rosemary Anne (1938 - ), Politician and Physician
- Crowther, Edward Lodewyk (1843 - 1931), Surgeon and Horticulturalist
- Crowther, William Edward Lodewyk H. (1887 - 1982?), Surgeon and Historian
- Crowther, William Lodewyk (1817 - 1885), Surgeon and Naturalist
- Crozier, Francis Rawdon Moira (1796 - ), Navigator
- Cruickshank, Fletcher Donaldson (1908 - 1990), Physicist
- Csordas, Stefan Eugen (1920 - 2000), Physician and Antarctic researcher
- Cuckson, Eric, Manufacturer
- Cullen, Edward Alexander Ernest (1861 - 1950), Engineer
- Cullen, John Michael (Mike) (1927 - 2001), Ornithologist and Zoologist
- Cullen, R., Computer scientist
- Cullen, R. N., Food technologist
- Cuming, George James (1886 - 1969), Industrial chemist
- Cuming, James (1) (1861 - 1920), Industrial chemist and Company director
- Cuming, James (2) (1900 - 1952), Industrial chemist
- Cumming, Alexander C. (1881? - 1941?), Chemist
- Cumming, Ronald William (1920 - ), Engineer and Psychologist
- Cummins, John Edward (1902 - ), Chemist and Science administrator
- Cumpston, John Howard Lidgett (1880 - 1954), Epidemiologist and Health administrator
- Cunningham, Allan (1791 - 1839), Botanist and Explorer
- Cunningham, Kenneth Stewart (1890 - 1976), Psychologist
- Cunningham, Peter Miller (1789 - 1864), Naval officer and Surgeon
- Cunningham, Richard (1793 - 1835), Botanist
- Cunningham, T. M., Forester
- Curlewis, Harold Burnham, Astronomer and Meteorologist
- Curley, Sylvia (1898 - 1999), Nurse, Nurse administrator and Activist
- Curling, H.C., Natural history artist
- Curnow, David Henry (1921 - ), Biochemist
- Curr, Edward Micklethwaite (1820 - 1889), Stock inspector and Pastoralist
- Curran, John Milne (1859 - 1928), Geologist and Priest
- Curran, Lionel Kenneth (1918 - 1996), Electrical engineer
- Curran, Michael - see Curran, John Milne (1859 - 1928), Geologist and Priest
- Currie, George Alexander (1896 - ), Agricultural scientist
- Currie, John Lang (1818 - 1898), Pastoralist
- Currie, Mark John, Explorer
- Curtis, Charles M. (1795 - ), Natural history artist
- Curtis, David Roderick (1927 - ), Pharmacologist and Neurobiologist
- Curtis, Robin R., Chemist
- Curtis, Winifred (1905 - ), Botanical collector
- Custance, Fred, Aviator
- Custance, John Daniel (1842 - 1923), Agricultural scientist
- Cuthbertson, W.R. (1916? - 1945), Chemist
- Czulak, J., Food technologist
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