Namesakes
Jack Nicholson
(m) 1937- 
Notable Actors and Entertainers (actor)
Oscar Award Winners 1976; 1984; 1998 One Flew Over the Cuckoo's Nest; Terms of Endearment; As Good As It Gets (actor)
Jack London
(m) 1876-1916
Notable Writers
Jack the Ripper
(m) ?-18xx
Notable Evildoers
Jack Kerouac
(m) 1922-1969
Notable Writers
Jack Kilby
(m) 1923-2005
Nobel Prize Winners 2000 (physics)
Notable Scientists and Inventors
Jack Lemmon
(m) 1925-2001
Notable Actors and Entertainers (actor)
Oscar Award Winners 1956; 1974 Mister Roberts; Save the Tiger (actor)
Jack Ma
(m) 1964-
Notable Businesspeople
Jack Black
(m) 1969-
Notable Actors and Entertainers (actor)
Jack Steinberger
(m) 1921-2020
Nobel Prize Winners 1988 (physics)
Jack Brabham
(m) 1926-2014
Notable Athletes (driving)
Jack Sparrow
(m)
Fictional Characters from Movies 2003 Pirates of the Caribbean
Jack Kirby
(m) 1917-1994
Notable Artists
Jack Wilshere
(m) 1992-
Notable Athletes (soccer)
Jack Palance
(m) 1919-2006
Notable Actors and Entertainers (actor)
Oscar Award Winners 1992 City Slickers (actor)
Jack Ruby
(m) 1911-1967
Notable Evildoers
Jackie Robinson
(m) 1919-1972
Hall-of-Famers 1962 (baseball)
Most Valuable Players 1949 baseball
Notable Athletes (baseball)
Jack W. Szostak
(m) 1952-
Nobel Prize Winners 2009 (medicine)
"Calico" Jack Rackham
(m) 1682-1720
Notable Evildoers
Jack Dempsey
(m) 1895-1983
Notable Athletes (boxing)
Jack Benny
(m) 1894-1974
Emmy Award Winners 1959 The Jack Benny Show (actor)
Notable Actors and Entertainers (actor)
John Reed
(a.k.a. Jack) (m) 1887-1920
Notable Journalists
Notable Writers
Jack Dorsey
(m) 1976-
Notable Businesspeople
Jack Johnson
(m) 1878-1946
Notable Athletes (boxing)
Jack Bruce
(m) 1943-2014
Rock and Roll Hall-of-Famers 1993 Cream
Jack Nicklaus
(m) 1940-
Notable Athletes (golf)
Jack Kevorkian
(m) 1928-2011
Notable Activists and Revolutionaries
Jack Albertson
(m) 1907-1981
Emmy Award Winners 1976 Chico and the Man (actor)
Notable Actors and Entertainers (actor)
Oscar Award Winners 1969 The Subject Was Roses (actor)
Jack White
(m) 1975-
Notable Musicians
Jack Klugman
(m) 1922-2012
Emmy Award Winners 1963; 1971; 1973 The Defenders; The Odd Couple (actor)
Notable Actors and Entertainers (actor)
Jack L. Warner
(m) 1892-1978
Notable Businesspeople
Nicolas Roeg
(a.k.a. Jack) (m) 1928-2018
Notable Filmmakers
Rodney Dangerfield
(a.k.a. Jack) (m) 1921-2004
Notable Actors and Entertainers (comedian/actor)
Jackie Wilson
(m) 1934-1984
Notable Musicians
Rock and Roll Hall-of-Famers 1987
Eddie Fisher
(a.k.a. Jack) (m) 1928-2010
Notable Musicians
Jack Warden
(m) 1920-2006
Notable Actors and Entertainers (actor)
Jack
(m)
Fictional Characters from Traditional Tales English
Jack Sock
(m) 1992-
Notable Athletes (tennis)
Jack Dylan Grazer
(m) 2003-
Notable Actors and Entertainers (actor)
Jack O'Connell
(m) 1990-
Notable Actors and Entertainers (actor)
John McEwen
(a.k.a. Jack) (m) 1900-1980
Australian Prime Ministers 1967-1968
Jack Elam
(m) 1920-2003
Notable Actors and Entertainers (actor)
Jack Lynch
(m) 1917-1999
Irish Presidents and Prime Ministers 1966-1973; 1977-1979 (prime minister)
Jackie Earle Haley
(m) 1961-
Notable Actors and Entertainers (actor)
Jack Shephard
(m)
Fictional Characters from Television 2004 Lost
Jack Higgins
(m) 1929-2022
Notable Writers
Jack Tramiel
(m) 1928-2012
Notable Businesspeople
Jack Lord
(m) 1920-1998
Notable Actors and Entertainers (actor)
Jack Lovelock
(m) 1910-1949
Olympic Medalists 1936 1500 m (gold)
Jack Oakie
(m) 1903-1978
Notable Actors and Entertainers (actor)
Jack Reynor
(m) 1992-
Notable Actors and Entertainers (actor)
Jack Carson
(m) 1910-1963
Notable Actors and Entertainers (actor)
Jack McBrayer
(m) 1973-
Notable Actors and Entertainers (comedian/actor)
Jack O'Neill
(m)
Fictional Characters from Movies 1994 Stargate
Fictional Characters from Television 1997 Stargate SG-1
Jack Gilford
(m) 1908-1990
Notable Actors and Entertainers (actor)
Jack Bauer
(m)
Fictional Characters from Television 2001; 2014 24; 24: Live Another Day
Jack Irons
(m) 1962-
Rock and Roll Hall-of-Famers 2012 Red Hot Chili Peppers
Jack Horner
(m) 1946-
Notable Scientists and Inventors
Jack Daniel
(m) 1849-1911
Notable Businesspeople
Jack Wild
(m) 1952-2006
Notable Actors and Entertainers (actor)
Jack Kruschen
(m) 1922-2002
Notable Actors and Entertainers (actor)
John Winter
(a.k.a. Jack) (m) 1924-2007
Olympic Medalists 1948 high jump (gold)
Jack Bobridge
(m) 1989-
Olympic Medalists 2012 cycling - track (silver)
Jack Frost
(m)
Fictional Characters from Traditional Tales English
Jack Casady
(m) 1944-
Rock and Roll Hall-of-Famers 1996 Jefferson Airplane
Jack Medica
(m) 1914-1985
Olympic Medalists 1936 swimming - 1500 m freestyle; swimming - 400 m freestyle; swimming - 4x200 m freestyle relay (gold/silver)
Jack Ryan
(m)
Fictional Characters from Books 1984 The Hunt for Red October
Jack Ragland
(m) 1913-1996
Olympic Medalists 1936 basketball (gold)
Jack Yerman
(m) 1939-
Olympic Medalists 1960 4x400 m relay (gold)
Jack McConnell
(m) 1960-
Other Leaders 2001-2007 Scotland (prime minister)
Jack Adams
(m) 1894-1968
Hall-of-Famers 1959 (ice hockey)
Notable Athletes (ice hockey)
Jack London
(m) 1905-1966
Olympic Medalists 1928 100 m; 4x100 m relay (silver/bronze)
Jack Harkness
(m)
Fictional Characters from Television 1963; 2006 Doctor Who; Torchwood
Jack Hatfield
(m) 1893-1965
Olympic Medalists 1912 swimming - 1500 m freestyle; swimming - 400 m freestyle; swimming - 4x200 m freestyle relay (silver/bronze)
Jack Davis
(m) 1930-2012
Olympic Medalists 1952; 1956 110 m hurdles (silver)
Jack Metcalfe
(m) 1912-1994
Olympic Medalists 1936 triple jump (bronze)
Jock Mahoney
(a.k.a. Jack) (m) 1919-1989
Notable Actors and Entertainers (actor)
Jack Osbourne
(m) 1985-
Notable Actors and Entertainers (reality star)
Jack Pierce
(m) 1962-
Olympic Medalists 1992 110 m hurdles (bronze)
Jack Hoxie
(m) 1885-1965
Notable Actors and Entertainers (actor)
Jack Oosterlaak
(m) 1896-1968
Olympic Medalists 1920 4x400 m relay (silver)
Jack Sikma
(m) 1955-
Hall-of-Famers 2019 (basketball)
Notable Athletes (basketball)
Jack Archer
(m) 1921-1997
Olympic Medalists 1948 4x100 m relay (silver)
Jack Twyman
(m) 1934-2012
Hall-of-Famers 1982 (basketball)
Notable Athletes (basketball)
Jack Scalia
(m) 1950-
Notable Actors and Entertainers (actor)
Jack Hill
(m) 1933-
Notable Filmmakers
Jack Marshall
(m) 1912-1988
New Zealand Prime Ministers 1972
Jack Parker
(m) 1915-1964
Olympic Medalists 1936 decathlon (bronze)
Jack Darragh
(m) 1890-1924
Hall-of-Famers 1962 (ice hockey)
Notable Athletes (ice hockey)
Jack Laviolette
(m) 1879-1960
Hall-of-Famers 1962 (ice hockey)
Notable Athletes (ice hockey)
Jack Ketchum
(m) 1946-2018
Notable Writers
Jack Skellington
(m)
Fictional Characters from Movies 1993 The Nightmare Before Christmas
Jack Torrance
(m)
Fictional Characters from Books 1977 The Shining
Fictional Characters from Movies 1980 The Shining
Jack Gregory
(m) 1923-2003
Olympic Medalists 1948 4x100 m relay (silver)
Jack Taylor
(m) 1931-1955
Olympic Medalists 1952 swimming - 100 m backstroke (bronze)
Jack Morris
(m) 1955-
Hall-of-Famers 2018 (baseball)
Notable Athletes (baseball)
Gardner Boultbee
(a.k.a. Jack) (m) 1907-1980
Olympic Medalists 1932 sailing (bronze)
"Black" Jack Stewart
(m) 1917-1983
Hall-of-Famers 1964 (ice hockey)
Jack Shepherd
(m) 1940-
Notable Actors and Entertainers (actor)
Jack Babashoff Jr.
(m) 1955-
Olympic Medalists 1976 swimming - 100 m freestyle (silver)
Jack Ham
(m) 1948-
Hall-of-Famers 1988 (football)
Jack Marshall
(m) 1877-1965
Hall-of-Famers 1965 (ice hockey)
Jackie Jensen
(m) 1927-1982
Most Valuable Players 1958 baseball
Jack Horsley
(m) 1951-
Olympic Medalists 1968 swimming - 200 m backstroke (bronze)
Jack Lambert
(m) 1952-
Hall-of-Famers 1990 (football)
Jack McCoy
(m)
Fictional Characters from Television 1990 Law & Order
Jack Nowell
(m) 1993-
Notable Athletes (rugby)
Jack Chesbro
(m) 1874-1931
Hall-of-Famers 1946 (baseball)
Jack Dawkins
(m)
Fictional Characters from Books 1838 Oliver Twist
Jack Walker
(m) 1888-1950
Hall-of-Famers 1960 (ice hockey)
Jack Aubrey
(m)
Fictional Characters from Books 1969 Master and Commander
Jack Bristow
(m)
Fictional Characters from Television 2001 Alias
Jack McFarland
(m)
Fictional Characters from Television 1998 Will & Grace
Alvy Moore
(a.k.a. Jack) (m) 1921-1997
Notable Actors and Entertainers (actor)
Jack Butler
(m) 1927-2013
Hall-of-Famers 2012 (football)
Jack Christiansen
(m) 1928-1986
Hall-of-Famers 1970 (football)
Jack
(m)
Fictional Characters from Traditional Tales English
Jack Hodgins
(m)
Fictional Characters from Television 2005 Bones
Little Jack Horner
(m)
Fictional Characters from Traditional Tales English
Jack López
(m) 1992-
Olympic Medalists 2020 baseball (silver)
Jack Ruttan
(m) 1889-1973
Hall-of-Famers 1962 (ice hockey)
Jack Youngblood
(m) 1950-
Hall-of-Famers 2001 (football)
Jack McCracken
(m) 1912-1958
Hall-of-Famers 1962 (basketball)
Jack Malone
(m)
Fictional Characters from Television 2002 Without a Trace
Jack Tripper
(m)
Fictional Characters from Television 1977 Three's Company
Jack Deveraux
(m)
Fictional Characters from Television 1965 Days of Our Lives
Jack Donaghy
(m)
Fictional Characters from Television 2006 30 Rock
Jack Ewing
(m)
Fictional Characters from Television 1978 Dallas
Jack Frost
(m)
Fictional Characters from Books 1984 Frost at Christmas
Fictional Characters from Television 1992 A Touch of Frost
Jack Jones
(m)
Fictional Characters from Television 1968 Dad's Army
Jack Dawson
(m)
Fictional Characters from Movies 1997 Titanic
Jack Sprat
(m)
Fictional Characters from Traditional Tales English
JJ Deveraux
(a.k.a. Jack) (m)
Fictional Characters from Television 1965 Days of Our Lives
Jack Geller
(m)
Fictional Characters from Television 1994 Friends
Jack Berger
(m)
Fictional Characters from Television 1998 Sex and the City
Jack Sloane
(f)
Fictional Characters from Television 2003 NCIS
John Worthing
(a.k.a. Jack) (m)
Fictional Characters from Plays and Musicals 1895 The Importance of Being Earnest
Jack "J. D." Darius
(m)
Fictional Characters from Television 1989 Baywatch
Jack McPhee
(m)
Fictional Characters from Television 1998 Dawson's Creek
Jack Cade
(m) c. 1420-1450
Shakespearian Characters Henry VI (2)
Jack Powell
(m)
Fictional Characters from Movies 1996 Jack
Jack
(m)
Fictional Characters from Song Titles 1961 Hit the Road Jack
Jack Arnold
(m)
Fictional Characters from Television 1988 The Wonder Years
Jack Johnson
(m)
Fictional Characters from Television 2014; 2019 Black-ish; Mixed-ish
Jack Hunter
(m)
Fictional Characters from Television 1993; 2014 Boy Meets World; Girl Meets World
Jack Flash
(m)
Fictional Characters from Song Titles 1968 Jumpin' Jack Flash
Jack Stewart
(m)
Fictional Characters from Television 1993 Diagnosis: Murder
Jack Gallo
(m)
Fictional Characters from Television 1997 Just Shoot Me!
Jack Hodgson
(m)
Fictional Characters from Television 1996 Silent Witness
Jack Chase
(m)
Fictional Characters from Television 2005 Close to Home
Jack Huey
(m)
Fictional Characters from Television 1994 Due South
Jack Tran
(m)
Fictional Characters from Television 1994 Heartbreak High
Jack Hudson
(m)
Fictional Characters from Television 2002 Sue Thomas: F.B.Eye
Jack Mannion
(m)
Fictional Characters from Television 2000 The District
Jack Richmond
(m)
Fictional Characters from Television 1996 Suddenly Susan
Jack W. Tweeg
(m)
Fictional Characters from Television 1986 The Adventures of Teddy Ruxpin
Jack
(m)
Fictional Characters from Song Titles 1966 Happy Jack
Captain Jack Absolute
(m)
Fictional Characters from Plays and Musicals 1775 The Rivals
Jack
(m)
Fictional Characters from Song Titles 1982 Jack & Diane
Jack
(m)
Fictional Characters from Song Titles 1973 Captain Jack
Jack Maddox
(m)
Fictional Characters from Television 1991 The House of Eliott
Bloody Jack
(f)
Fictional Characters from Books 2002 Bloody Jack
Saucy Jack De 'Ath
(m)
Fictional Characters from Plays and Musicals 1995 Saucy Jack and the Space Vixens
Jack
(m)
Fictional Characters from Song Titles 2009 The Ballad of Jack and Haley
Jack
(m)
Fictional Characters from Song Titles 1999 Crazy Jack
Jack
(m)
Fictional Characters from Song Titles 1977 Jack-in-the-Green
Jack
(m)
Fictional Characters from Song Titles 2002 Mr. Jack
Jack
(m)
Fictional Characters from Song Titles 1978 Nice Man Jack
Jack
(m)
Fictional Characters from Song Titles 2013 Ramblin' Jack
Jack
(m)
Fictional Characters from Song Titles 1996 The House Jack Built