Melvin Calvin (1911–1997), American biochemist, winner of the 1961 Nobel Prize in Chemistry
Georg Ludwig Carius (1829–1875), German chemist
Heinrich Caro (1834–1910), German chemist
Wallace Carothers (1896–1937), American chemist
George Washington Carver (1864-1943) American chemist and inventor
Henry Cavendish (1731–1810), British scientist
Thomas Cech (1947- ), American biochemist, winner of 1989 Nobel Prize in Chemistry
Ernst Boris Chain (1906-1979) German-English biochemist, winner of 1945 Nobel Prize in Medicine
Martin Chalfie (born 1947), 2008 Nobel Prize in Chemistry
Alexandre-Emile Béguyer de Chancourtois (1820-1886) French geologist, periodic table
Jean Antoine Claude Chaptal (1756-1832) French industrial chemist
Yves Chauvin (1930- ), winner of the 2005 Nobel Prize in Chemistry
Michel-Eugène Chevreul (1786-1889) French chemist, chemistry of fats
Aaron Ciechanover (born 1947), 2004 Nobel Prize in Chemistry
Georges Claude (1870-1960) French chemist, inventor of neon light
Per Teodor Cleve (1840-1905) Swedish chemist
Ernst Cohen (1869–1944), Dutch chemist
Stanley Cohen (1922- ) American biochemist, winner of 1986 Nobel Prize in Medicine
Edwin Joseph Cohn (1892-1953) American biochemist
Elias James Corey (1928- ), American organic chemist, winner of 1990 Nobel Prize in Chemistry
Robert Corey (1897–1971), famous American biochemist
Carl Ferdinand Cori (1896-1984), Austrian-American biochemist, 1947 Nobel Prize in Medicine
Gerty Theresa Cori, (1896-1957) American biochemist, 1947 Nobel Prize in Medicine
John Cornforth (1917- ), Australian chemist, 1975 Nobel Prize in Chemistry
Archibald Scott Couper (1831-1892), Scottish chemist
Bernard Courtois (1777-1838) French chemist, discoverer of iodine
James Crafts (1839–1917), American chemist, known for the Friedel-Crafts reaction
Donald James Cram (1919–2001), American chemist, winner of the 1987 Nobel Prize in Chemistry
Axel Fredrik Cronstedt (1722-1765) Swedish chemist and mineralogist, discovered nickel
William Crookes (1832 - 1919) English chemist, discoverer of thallium.
Paul J. Crutzen (1933- ), Dutch chemist, winner of the 1995 Nobel Prize in Chemistry
Marie Curie (1867–1934), French radiation scientist, 1903 Nobel Prize in Physics, 1911 Nobel Prize in Chemistry
Pierre Curie (1859–1906), 1903 Nobel Prize in Physics
Robert F. Curl, Jr. (1933- ), winner of 1996 Nobel Prize in Chemistry
Theodor Curtius (1857–1928), German chemist
