James O'Hara

James O'Hara may refer to:


 * James O'Hara, 2nd Baron Tyrawley (1682–1774), British Army officer
 * James E. O'Hara (1844–1905), U.S. Representative from North Carolina
 * James G. O'Hara (1925–1989), U.S. Representative from Michigan
 * James O'Hara (announcer), Scottish former television announcer, now audio description specialist
 * James O'Hara (quartermaster) (c. 1752–1819), Continental Army officer, U.S. Army quartermaster
 * USS James O'Hara, a Frederick Funston-class attack transport
 * James O'Hara (actor) (1927–1992), Irish-born American actor
 * James O'Hara (Latinist) (born 1959), American scholar of Latin literature
 * James O'Hara (1796–1838), Irish politician, Member of Parliament for Galway Borough 1826–1831