Bannon is an Irish surname. The name refers to:Bannon Crowley
- Ann Bannon (contemporary), American author of lesbian pulp fiction novels
- Bannon, Arizona, An abandoned town in Apache County
- Brian Bannon (b. 1930), Australian politician from New South Wales
- Bruce Bannon (b. 1951), American professional football player
- Chad Bannon (b. 1970), American television and film actor
- David “Race” Bannon (b. 1963), American fraudster who posed as a former Interpol agent
- Eamonn Bannon (b. 1958), Scottish football player
- Gary Bannon (contemporary), British actor, poet, and comedian
- J.G. Bannon (fl. late 19th c.), American college football coach
- Jack Bannon (b. 1940), American television actor
- Jacob Bannon (b. 1976), American musician and artist
- James Bannon (b. 1959), Irish politician, farmer, and auctioneer
- Jim Bannon (1911–1984), American radio and film actor
- John Bannon (b. 1943), Australian politician and academic
- Philip M. Bannon, American Marine Corps Brevet Medal recipient