H
- Fritz Haas (zoologist)
- Samuel Stehman Haldeman
- Sylvanus Charles Thorp Hanley (1819–1899) from Britain
- Johann Daniel Wilhelm Hartmann from Germany
- Johan Coenraad van Hasselt (1797–1823), vertebratologist, but he also studied mollusks from Java
- William H. Heard
- Charles Hedley
- Georg Sebastian Helbling von Hirzenfeld, (1751- 1782), from Austria
- Leo George Hertlein
- Pierre Marie Heude
- Shintarō Hirase 平瀬 信太郎 (Hirase Shintarō?) (1884–1939), from Japan
- Yoichirō Hirase 平瀬 与一郎 (Hirase Yoichirō?) (1859–1925), from Japan, father of Shintarō Hirase
- Thomas George Bond Howes (1853–1905), from Great Britain, portrait
- Leslie Hubricht
- Christian Hee Hwass
Read more about this topic: Malacologist