Jeffrey, Geoffrey, Geoff or Jeff Cooper may refer to:

• Jeff Cooper (actor) (c. 1936–2018), Canadian television and film performer
• Jeffrey Cooper (born 1968), American film editor on 2002's Book of Love

• Jeff Cooper (1920–2006), American Marine officer and handgun expert
• Geoffrey Cooper (RAF officer) (1925–2014), British fighter pilot

• Geoffrey Cooper (politician) (1907–1995), English Labour MP for Middlesbrough West
• Jeffrey Cooper, American Democratic candidate (United States House of Representatives elections, 2000)

• Geoffrey M. Cooper, American biologist, academic and writer since 1970s
• Geoff Cooper, American co-author of 2001's 4 x 4 at Delirium Books

• Jeffrey Cooper in 1982's National Lampoon's Movie Madness