C
- Frédéric Cailliaud
- Philip Pearsall Carpenter
- Johann Hieronymus Chemnitz
- Jean-Charles Chenu
- Carl Chun
- George Hubbard Clapp
- William J. Clench
- Stefan Clessin
- Theodore Dru Alison Cockerell
- Walter Edward Collinge (1867–1947), from the United Kingdom
- Phil Colman, from Australia
- Matthew William Kemble Connolly (1872–1947), from Great Britain and South Africa
- Timothy Abbott Conrad
- Charles Montague Cooke, Jr. (1874–1948), from Hawaii
- William Cooper (conchologist)
- Alexandre Édouard Maurice Cossmann (1850–1924), from France
- James Hamilton Couper (1794–1866), from the USA
- Joseph Pitty Couthouy
- C. Stanley Bell Cox (1???–1924), from U.K.
- Frederick John Cox (1915–2000), from Australia
- Geoff Cox (malacologist) (1???–2000), from U.K.
- James Charles Cox (1834–1912), from Australia
- Keith Wickham Cox (1915–????), from the USA
- Leslie Reginald Cox (1897–1965) from U.K.
- Percy Zachariah Cox (1864–1937) from U.K. and from Iran
- Henry Crampton
- Joseph Charles Hippolyte Crosse
- Hugh Cuming
- Georges Cuvier
Read more about this topic: Malacologist