James O'Neill
James, Jamie, or Jimmy O'Neill may refer to:
Arts and entertainment
- James R. O'Neill, American Civil War artist and correspondent
- James O'Neill (actor, born 1847), Irish-American theater actor
- James O'Neill (actor, born 1863), American vaudeville and early film actor
- Jamie O'Neill, Irish novelist
Law and politics
- James O'Neill (Wisconsin settler), American settler, politician, and sawmill owner
- James O'Neill (New Zealand politician)
- James O'Neill (Washington politician), American politician in Oregon and Washington states
- James O'Neill (jurist), American jurist and politician
- James E. O'Neill Jr., American politician in Michigan
Sports
- Tip O'Neill (baseball), Canadian baseball player
- Jimmy O'Neill (footballer, born 1931), Irish international footballer
- James O'Neill (baseball), American baseball and basketball player
- James O'Neill (rugby union), Irish international rugby union player
Others
- James Hugh O'Neill, American Catholic priest
- James O'Neill (priest), Irish founder of the Knights of Saint Columbanus
- James E. O'Neill, American acting Archivist for the National Archives
- James Ryan O'Neill, Australian serial killer
- James P. O'Neill, American police commissioner in New York City