Keane is an Irish surname derived from Ó Catháin, also rendered as O'Cahan, O'Kane, Keane, Kean, Kane, Cain and McCain.

Keane may also refer to:

• Keane , an English band
• Keane , a 2004 film starring Damian Lewis
• Keane , an autobiography written by Roy Keane
• Keane , an IT consulting firm based in Boston

People with the surname Keane:

• Bil Keane, American cartoonist of The Family Circus
• Bob Keane, American musician, manager of Ritchie Valens
• Dillie Keane, one third of the Fascinating Aida comedy cabaret trio
• Dolores Keane, Irish folk singer
• Fergal Keane, BBC correspondent based in South Africa
• Glen Keane, American animator, son of Bil Keane
• Jack Keane, U.S. Army general
• James Keane, American archbishop of Dubuque, Iowa
• Jayne Fenton Keane, Australian poet
• Jeff Keane, American comic strip artist, son of Bil Keane
• John Keane (multiple people of the same name)
• Keith Keane, Irish footballer
• Margaret Keane, American painter of waif-like children with big eyes
• Mark Keane, Irish cognitive scientist and author
• Mervyn Keane, Australian rules footballer
• Michael Keane, Irish footballer
• Mike Keane, Canadian ice hockey player
• Molly Keane, Irish novelist
• Paul Keane, Australian actor
• Peter Keane, American blues musician
• Robbie Keane, Irish football player playing for Tottenham Hotspur
• Rory Keane, Irish footballer
• Roy Keane, former Manchester United and Ireland football captain
• Seán Keane , Irish musician from the musical group The Chieftains
• Seán Keane , Irish folk singer
• Sheana Keane, Irish broadcaster
• William Keane , Irish clergyman

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