Grinnell is a surname, originally of locational or topographical origin.
Notable people with the surname include:
Claudia Kreuzig Grinnell, German expatriate, English professor, poetFrederick Grinnell (1836–1905, American engineerFrederick Grinnell (biologist) (born 1945), American biologistGeorge Bird Grinnell, (1849–1938), American anthropologist, historian, naturalist, and writer.Henry Grinnell (1799–1874), American merchant, financier of Arctic explorationsHenry Walton Grinnell (1843–1920), American admiral, son of Henry GrinnellJoseph Grinnell (1877–1939), American zoologistJosiah Bushnell Grinnell (1821–1891), U.S. congressmanMoses H. Grinnell (1803–1877), U.S. Navy officer and U.S. Representative from New YorkWilliam Morton Grinnell (1857–1906), U.S. diplomat & banker