John Dalton (1766–1844), English chemists & physicist, proponent of atomic theory
Carl Peter Henrik Dam (1895–1976), Danish biochemist, winner of the 1943 Nobel Prize in Physiology or Medicine
Samuel J. Danishefsky (born 1936), American organic chemist
Raymond Davis, Jr. (1914–2006), American physical chemist
Sir Humphry Davy (1778–1829), British chemist & physicist, discovered several alkali and alkaline earth metals, investigated element properties
André-Louis Debierne (1874-1949) French chemist Peter Debye (1884–1966)
Johann Deisenhofer (born 1943), 1988 Nobel Prize in Chemistry
Sir James Dewar (1842–1923)
François Diederich (born 1952), Luxembourg chemist
Fausto D'Elhuyar (1755-1833) Spanish mineralogist and chemist, co-discoverer of tungsten
Juan José D'Elhuyar (1754 - 1796) Spanish mineralogist and chemist, co-discoverer of tungsten
Otto Paul Hermann Diels (1876-1954) German chemist, winner of 1950 Nobel Prize in Chemistry
Edward Doisy (born 1893) American biochemist, winner of the 1943 Nobel Prize in Physiology or Medicine
Davorin Dolar (1921-2005), famous chemist
Emmanuel Dongala, Congolese chemist
David Adriaan van Dorp (1915–1995), Dutch chemist
Cornelius Drebbel (1572–1633), Dutch inventor, alchemist and chemist
Jean Baptiste Dumas (1800–1884), French chemist
Éleuthère Irénée du Pont (1771-1834) French chemist and industrialist, founder of DuPont Corporation.
Vincent du Vigneaud (1901–1978), 1955 Nobel Prize in Chemistry
