Jack Devlin

• Jack Devlin (Australian politician)
• Jack Devlin (American politician)
• Jack Devlin, in Ex [on the Beach (series 6)]
• Jack Devlin, character in The [Net (1995 film)|The Net], 1995 film
• Jack Devlin, character in Blackjack, 1998 film
• Jack Devlin, character in Tin [Star (TV series)|Tin Star], 2017 TV series