Linehan is a surname of Irish origin, and may refer to:
- Alfie Linehan (born 1940), Irish former cricketer
- Brian Linehan (1943–2004), Canadian television host
- Graham Linehan (born 1969), Irish television writer and director
- John Linehan (born 1952), Northern Irish comedian
- Kim Linehan, USA Olympic swimmer (from the 1984 Games)
- Marsha M. Linehan (born 1943), American psychologist and author
- Mechele Linehan (born 1972), American murderer
- Neil J. Linehan (1895–1967), American politician
- Rosaleen Linehan (born 1937), veteran stage and screen actress
- Scott Linehan (born 1963), American football head coach
- Tim Linehan (21st century), American screenwriter
- Hamp E. Linehan (born 1966), American minister
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