Fenimore is both a given name and a surname. Notable people with the name include:
Given name: Constance Fenimore Woolson (1840–1894), American novelist and short story writer Fenimore Chatterton (1860–1958), American businessman, politician, and lawyer James Fenimore Cooper (1789–1851), American writer Susan Fenimore Cooper (1813–1894), American writer and amateur naturalist
Surname: Bob Fenimore (1925–2010), Oklahoma State Cowboys football player
Fictional characters: Lieutenant Fenimore, fictional character in a short story of the Cosmicomics by Italo Calvino
See also Fenimore Art Museum, in Cooperstown, New York, United States Fenimore Pass, strait in Alaska