John O'Hara (disambiguation)
# John O'Hara (disambiguation)

John O'Hara (1905–1970) was an American writer of Appointment in Samarra, Butterfield 8, and many short stories.

John O'Hara may also refer to:

* John O'Hara (Brooklyn politician), American lawyer
* John O'Hara (racing driver), driver for A1 Team Ireland in the A1 Grand Prix
* John O'Hara (musician), English keyboardist and conductor, currently member of Jethro Tull
* John O'Hara (singer), leader of O'Hara's Playboys (a Glasgow band in the 1960s-1970s)
* John O'Hara (soccer, born 1959), American soccer defender
* John O'Hara (footballer, born 1981), Irish professional soccer goalkeeper
* John O'Hara (American football) (1944–1992), American college football coach
* John O'Hara (wrestler) (1913–1983), Australian Olympic wrestler
* Sir John Ailbe O'Hara, Northern Ireland High Court judge
* John Bernard O'Hara (1862–1927), Australian poet and schoolmaster
* John Francis O'Hara (1888–1960), American archbishop and cardinal
* John Joseph O'Hara (born 1946), American prelate of the Roman Catholic Church
* John Myers O'Hara (1870–1944), American poet
* Jack O'Hara (John James O'Hara, 1866–1931), Australian rules footballer who
