John J. or John Joseph O'Neill may refer to:
- John Joseph O'Neill (journalist) (1889–1953), winner of the Pulitzer Prize for Reporting
- John J. O'Neill (American politician) (John Joseph O'Neill, 1846–1898), Missouri congressman
- John Joseph O'Neill (British politician) (1888–1953), Liberal Party politician in England, member of parliament for Lancaster 1923–1924
- John Johnston O'Neill (1886–1966), Canadian geologist and academic
- John O'Neill (guitarist) (John Joseph O'Neill, born 1957), Northern Irish guitarist of rock band The Undertones
- John O'Neill (footballer, born 1974) (John Joseph O'Neill), former Scottish football player with Queen of the South and former manager of Stirling Albion
- Jonjo O'Neill (jockey) (John Joseph O'Neill, born 1952), Irish racehorse trainer and jockey
- Jack O'Neill (baseball) (John Joseph O'Neill, 1873–1935), catcher in Major League Baseball
See also
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: