O'Hara (surname)
O'Hara is an Anglicized form of the Irish name Ó hEaghra. The death of the eponym is mentioned in the Annals of the Four Masters - 926. Eaghra Poprigh mac Saorghus, lord of Luighne, in Connaught.
- Barratt O'Hara, American politician
- Bernard O'Hara, Irish historian
- Catherine O'Hara, Canadian actress
- Charles O'Hara, British military officer
- Charles O'Hara, 1st Baron Tyrawley, Irish soldier
- Dane O'Hara, New Zealand rugby league footballer
- David O'Hara, British actor
- Dorothea Warren O'Hara, American ceramic artist
- Eddie O'Hara , British politician
- Edwin Vincent O'Hara, American prelate of the Roman Catholic Church
- Éilis Ni Dhuibhne, Irish novelist
- Frank O'Hara, American poet
- Gerald Patrick Aloysius O'Hara, American prelate of the Roman Catholic Church
- Geoffrey O'Hara, Canadian American composer, singer and music professor
- George O'Hara , American actor and screenwriter
- Gerry O'Hara, British film and television director
- Glen O'Hara, British academic historian
- Helen O'Hara British musician, violinist
- James G. O'Hara, American statesman
- James O'Hara, 2nd Baron Tyrawley, British army officer
- Jamie O'Hara , British football player
- Jamie O'Hara,, American country music singer-songwriter
- Jean O'Hara, American prostitute
- Joan O'Hara, Irish actress
- John Bernard O'Hara, Australian poet
- John Francis O'Hara, American catholic cardinal and educator
- John Henry O'Hara, American writer
- John Myers O'Hara, American poet
- John Kennedy O'Hara, American politician
- Kane O'Hara, Irish composer
- Kelley O'Hara, American footballer
- Kelli O'Hara, American actress and singer
- Kid O'Hara, American baseball player
- Maggie Blue O'Hara, Canadian actress
- Mario O'Hara, Filipino film director, film producer and screenwriter
- Mark O'Hara, Scottish footballer
- Mary O'Hara, Irish singer and harpist
- Mary Margaret O'Hara, Canadian singer-songwriter
- Maureen O'Hara, Irish-American actress
- Michael O'Hara, American volleyball player
- Michael O'Hara, American writer and producer
- Michael D. O'Hara, American jurist
- Paige O'Hara, American singer and actress
- Pat O'Hara, American football player, coach
- Patsy O'Hara, Irish Republican hunger striker
- Patrick O'Hara, Irish politician
- Sally Brice-O'Hara, American 27th Vice-Commandant of the U.S. Coast Guard
- Shaun O'Hara, American football player
- Shawn O'Hara, American politician
- Theodore O'Hara, American poet and Confederate colonel
- Thomas J. O'Hara C.S.C., Ph.D., an American president of King's College
- Tom O'Hara, American runner
- Valentine O'Hara, Irish author and authority on Russia
- Colonel Walter O'Hara, British army officer
Other individuals who use the name O'Hara
- Robert O'Hara Burke, Irish soldier, policeman and explorer
- Pat O'Hara Wood, Australian tennis player
- Julia O'Hara Stiles, American actress
- Phi Phi O'Hara, Portuguese/Filipino drag queen
- Eureka O'Hara, American drag queen
- Asia O'Hara, American drag queen
Fictional characters
- Chief O'Hara, Disney comic book character
- Chief Miles O'Hara, character from the Batman TV show
- Jack "Butcher" O'Hara, the Green Beret in the game series Commandos
- Juliet O'Hara, a main character in the American comedy-drama television series Psych
- Kimball O'Hara, protagonist of Rudyard Kipling's novel Kim
- Miguel O'Hara is an alternative futuristic version of the comic book superhero Spider-Man
- Neely O'Hara, character in Valley of the Dolls
- Scarlett O'Hara, literary protagonist in Margaret Mitchell's novel Gone with the Wind
- Scarlett, a female character whose actual name is Shana O'Hara.
- Dr Eleanor O'Hara, a female main character from American medical comedy-drama TV series Nurse Jackie, referred to mostly as just O'Hara.
- Spike O'Hara, the main character in the NES game Ghoul School
- O'Hara, a villainous character played by Bob Wall in Enter the Dragon.