Michael O'Neill may refer to:
- Michael O'Neill (diplomat) (born 1967), British diplomat
- Michael O'Neill (academic) (1953–2018), English poet and academic
- Michael O'Neill (actor) (born 1951), American actor
- Michael O'Neill (educator), pioneer in non-profit management education
- Michael O'Neill (footballer) (born 1969), Northern Irish football player and manager
- Michael O'Neill (politician) (1909–1976), Irish politician
- Michael E. O'Neill (born 1946), chairman of Citigroup
- Mike O'Neill (basketball) (born 1928), American basketball player
- Mike O'Neill (baseball) (1877–1959), Irish-born American starting pitcher and left fielder in Major League Baseball
- Mike O'Neill (ice hockey) (born 1967), Canadian professional ice hockey goaltender
- Mike O'Neill (lacrosse), three-time All-American lacrosse player
- Mike O'Neill (musician) (born 1970), Canadian singer-songwriter
- Mike O'Neill (rugby league) (born 1960), English rugby league footballer of the 1970s, 1980s and 1990s
- Mike O'Neill, winner of a 2006 Costume Designers Guild Award
- Michael O'Neill, founder of the Informed Medical Options Party, a minor political party in Australia
- Mikey O'Neill (footballer) (born 2004), English footballer
See also
- Michael O'Neal (born 1951), American lawyer and Republican politician
- Mickey O'Neil (1900–1964), American professional baseball
- Mickey O'Neil, fictional character from the 2000 film Snatch
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: