D
- John Dalton, (1766–1844), physicist and pioneer of the atomic theory
- Carl Peter Henrik Dam, (1895–1976), Danish biochemist, winner of the 1943 Nobel Prize in Physiology or Medicine
- Vincenzo, Count Dandolo, (1758–1819), Italian Nobleman and Chemist
- Samuel J. Danishefsky, (born 1936), American organic chemist, natural product Total synthesis, 1995/6 Wolf Prize in Chemistry
- Humphry Davy, (1778–1829), British Chemist, discovered several alkaline earth metals
- Raymond Davis, Jr., (1914–2006), American physical chemist
- Peter Debye, (1884–1966), Dutch chemist, winner of the 1936 Nobel Prize in Chemistry
- Johann Deisenhofer, (born 1943), 1988 Nobel Prize in Chemistry
- Francesco DeMaria, (born 1928), Italian-American chemist, working in Chemical engineering
- Sir James Dewar, (1842–1923)
- François Diederich, (born 1952), Luxembourg chemist
- Otto Diels, (1876–1954), German chemist, winner of the 1950 Nobel Prize in Chemistry
- Edward Doisy, (1893– 1986), American biochemist, winner of the 1943 Nobel Prize in Physiology or Medicine
- Davorin Dolar, (1921–2005), chemist from Univ. of Ljubljana
- David Adriaan van Dorp, (1915–1995), Dutch chemist
- Herbert Henry Dow, (1866–1930), American industrial chemist, known for bromine extraction
- Cornelius Drebbel, (1572–1633), Dutch inventor, alchemist and chemist
- Vratislav Ducháček, (born 1941), Czech chemist
- Carl Duisberg, (1861–1935), German chemist, early administrative industrial chemist
- Jean Baptiste Dumas, (1800–1884), French chemist, work on atomic weights
Read more about this topic: List Of Chemists