Namesakes
British Prime Ministers:
1 prime minister
Edward Smith-Stanley (middle name Geoffrey) 1852; 1858-1859; 1866-1868 
Fictional Characters from Books:
2 characters
Geoffrey Firmin 1947 Under the Volcano
Tom Barnaby (middle name Geoffrey) 1987 The Killings at Badger's Drift
Fictional Characters from Movies:
1 character
Geoffrey Griffin 1976 Griffin and Phoenix
Fictional Characters from Television:
3 characters
Geoffrey Butler 1990 The Fresh Prince of Bel-Air
Geoffrey Barone 1996 Everybody Loves Raymond
Tom Barnaby (middle name Geoffrey) 1997 Midsomer Murders
New Zealand Prime Ministers:
1 prime minister
Geoffrey Palmer 1989-1990
Nobel Prize Winners:
1 chemistry
(chemistry) Geoffrey Wilkinson 1973
Notable Actors and Entertainers:
8 actors, 1 actor/dancer
Geoffrey Holder 1930-2014
Geoffrey Lewis 1935-2015
Geoffrey Hughes 1944-2012
Tom Wilkinson (middle name Geoffrey) 1948-2023
Jonathan Hyde (middle name Geoffrey) 1948-
Geoffrey Rush 1951-
Patrick Ryecart (middle name Geoffrey) 1952-
Geoffrey Arend 1978-
James Norton (middle name Geoffrey) 1985-
Notable Athletes:
2 soccer
(soccer) Geoff Hurst 1941-
(soccer) Geoff Cameron 1985-
Notable Musicians:
2 singers, 1 musician
Jeff Beck 1944-2023
Wayne Fontana (middle name Geoffrey) 1945-2020
Prince Royce (a.k.a. Geoffrey) 1989-
Notable Philosophers and Thinkers:
1 historian
Geoffrey of Monmouth c. 1100-c. 1155
Notable Writers:
2 authors
Geoffrey of Monmouth c. 1100-c. 1155
Geoffrey Chaucer 1343-1400
Olympic Medalists:
1 silver
(silver) Geoff Shipton 1960 swimming - 4x100 m medley relay
Oscar Award Winners:
1 actor
(actor) Geoffrey Rush 1997 Shine
Other Leaders:
1 prime minister
Prime Minister Tom Adams (middle name Geoffrey) 1976-1985 Barbados
Rock and Roll Hall-of-Famers:
2 musicians
Jeff Beck 1992; 2009 The Yardbirds;
Phil Manzanera (middle name Geoffrey) 2019 Roxy Music
Saints:
1 saint
Saint Godfrey of Amiens (a.k.a. Geoffrey) 1066-1115