Frank O'Hara (1926–1966), American poet

John Henry O'Hara (1905–1970), American writer

Robert O'Hara Burke (1820-1861), Irish soldier, policeman and explorer

Oharra, character in Enter the Dragon

Scarlett O'Hara, literary protagonist in Margaret Mitchell's novel Gone with the Wind

Maureen O'Hara (b. 1920), Irish actress

Neely O'Hara, character in Valley of the Dolls. Said to be based on actress Judy Garland.

Catherine O'Hara (b. 1954), Canadian actress

O'Hara Township, Pennsylvania, a township within Allegheny County, Pennsylvania, USA

Charles O'Hara (1740-1802), British military officer

Sayaka Ōhara (b. 1975), Japanese seiyū

Ohara, an American television series starring Pat Morita

Cardinal O'Hara High School, a Catholic high school in Philadelphia, Pennsylvania, USA

Pat O'Hara, American football player

Patsy O'Hara (1957-1981), Irish Republican hunger striker

John Francis O'Hara (1888-1960) American catholic cardinal and educator

Mary Margaret O'Hara, Canadian singer-songwriter

John Kennedy O'Hara, American politician

Theodore O'Hara (1820-1867), American poet and Confederate colonel

Jamie O'Hara, (b. 1950), American country music singer-songwriter

Kelli O'Hara (b. 1977), American actress and singer

Helen O'Hara (b. 1955) British musician, violinist

Jamie O'Hara (b. 1986), British football player

George O'Hara (1899-1966), American actor and screenwriter

Glen O'Hara (b. 1974), British academic historian

James G. O'Hara (1925–1989), American statesman

The People Against O'Hara, a 1951 film starring Spencer Tracy

Geoffrey O'Hara (1882-1967), Canadian American composer, singer and music professor

Maggie Blue O'Hara, Canadian actress

Joan O'Hara (1930-2007), Irish actress

Barratt O'Hara (1882–1969), American politician

David O'Hara (b. 1965), British actor

Jean O'Hara, American prostitute

The book of O'Hara is a collection of poetry from the royal O'Hara family which was edited by Lambert McKenna in 1951 from the original manuscripts.

Paige O'Hara (b. 1956) American singer and actress

Edward O'Hara (b.1937), British politician

Tom O'Hara, American runner

Russ O'Hara, American radio personality

O'Hara, the title of a novel by William Hamilton Maxwell

Colonel Walter O'Hara, British army officer

Gerry O'Hara (b. 1925), British film and television director

Shaun O'Hara (b. 1977) American football player

Chief O'Hara, fictional Disney comic book character

Pat O'Hara Wood (1891-1961), Australian tennis player

Takashi Ōhara Japanese seiyū and Sayaka Ohara's younger brother

O'Hara is an Anglicized form of the Irish name Ó hEadhra. It may refer to: