Jeffrey, Geoffrey, Geoff or Jeff Cooper may refer to:
Film Jeff Cooper (actor) (c. 1936–2018), Canadian television and film performer Jeffrey Cooper (born 1968), American film editor on 2002's Book of Love
Military Jeff Cooper (1920–2006), American Marine officer and handgun expert Geoffrey Cooper (RAF officer) (1925–2014), British fighter pilot
Politicians Geoffrey Cooper (politician) (1907–1995), English Labour MP for Middlesbrough West Jeffrey Cooper, American Democratic candidate (United States House of Representatives elections, 2000)
Writers Geoffrey M. Cooper, American biologist, academic and writer since 1970s Geoff Cooper, American co-author of 2001's 4 x 4 at Delirium Books
Fictional characters Jeffrey Cooper in 1982's National Lampoon's Movie Madness