Killeen is a surname of Irish origin. Notable people with the surname include:

Caroline Killeen (born 1926), American activist

Donald Killeen (1923–1972), Irish-American criminal

Evans Killeen (born 1936), American baseball player

Graham Killeen (born 1980), American filmmaker and critic

Gretel Killeen (born 1963), Australian television personality

Henry Killeen (1872–1916), American baseball player

J. J. Killeen (born 1981), American golfer

James Jerome Killeen (1917–1978), American Roman Catholic bishop

Jason Killeen (born 1980), Irish basketball player

John Killeen (1920–2005), Irish hurler

Len Killeen (1938–2011), South African rugby league footballer

Lewis Killeen (born 1982), English football (soccer) player

Liam Killeen (born 1982), English professional mountain biker

Mark Killeen, British actor

Neil Killeen (born 1975), English cricketer

Oliver Killeen (born 1937), Irish bigamist and fraudster

Peter Richard Killeen (born 1942), American psychologist

Richard Killeen (born 1946), New Zealand painter, sculptor and digital artist

Ryan Killeen (born 1983), American football (American football) player

Timothy Killeen (1923–1993), Irish politician

Tony Killeen (born 1952), Irish politician

See also

Ó Cillín, original form of the surname

Surnames of Irish origin

Killeen (surname)