C
- Melvin Calvin, (1911–1997), American chemist, winner of 1961 Nobel Prize in Chemistry
- Georg Ludwig Carius, (1829–1875), German chemist
- Heinrich Caro, (1834–1910), German chemist
- Wallace Carothers, (1896–1937), American chemist, known for the discovery of nylon
- Stanislao Cannizzaro, (1826–1910), Italian Chemist, postulated the Cannizzaro reaction
- Henry Cavendish, (1731–1810), British scientist
- Thomas Cech, (born 1947), 1989 Nobel Prize in Chemistry
- Martin Chalfie, (born 1947), 2008 Nobel Prize in Chemistry
- Michelle Chang, (born 1977), American Chemist, Professor of Chemistry, University of California, Berkeley
- Yves Chauvin, (born 1930), 2005 Nobel Prize in Chemistry
- Michel Eugėne Chevreul, (1786–1889), French chemist, designed an early form of soap, lived to be 102!
- Aaron Ciechanover, (born 1947), 2004 Nobel Prize in Chemistry
- Giacomo Luigi Ciamician, Italian Chemist, Father of the Solar Panel
- Ernst Cohen, (1869–1944), Dutch chemist (murdered in Auschwitz)
- Elias James Corey, (born 1928), American organic chemist, winner of the 1990 Nobel Prize in Chemistry
- Robert Corey (1897–1971), American biochemist
- Carl Ferdinand Cori, (1896–1984), Czech biochemist, Nobel Prize in medicine 1947
- Gerty Cori, (1896–1957), American biochemist, Nobel Prize in medicine 1947
- Charles D. Coryell, (1912–1971), American chemist, co-discovered the element promethium
- John Cornforth, (born 1917), Australian winner of the 1975 Nobel Prize in Chemistry
- Frank Albert Cotton, (1930–2007), 2000 Wolf Prize in Chemistry
- Charles Coulson (1910–1974), British theoretical chemist
- Archibald Scott Couper, (1831–1892), English chemist, further developed Tetravalence
- James Crafts, (1839–1917), American chemist, developer of Friedel-Crafts reaction
- Donald J. Cram, (1919–2001), American chemist, winner of the 1987 Nobel Prize in Chemistry
- William Crookes, (1832–1919), British chemist, discovered the element thallium
- Paul J. Crutzen, (1933), Dutch chemist, winner of the 1995 Nobel Prize in Chemistry
- Marie Curie, (1867–1934), Polish radiation physicist, 1903 Nobel Prize in Physics, 1911 Nobel Prize in Chemistry
- Pierre Curie, (1859–1906), 1903 Nobel Prize in Physics
- Robert Curl, (born 1933), American chemist, winner of 1996 Nobel Prize in Chemistry
- Theodor Curtius, (1857–1928), German chemist
Read more about this topic: List Of Chemists