Sean O'Brien may refer to:
Sportspeople
- Seán O'Brien (Gaelic footballer), Gaelic footballer for Nemo Rangers
- Seán O'Brien (Cork hurler) (1926–?), Irish hurler
- Seán O'Brien (Tipperary hurler), Irish hurler
- Sean O'Brien (ice hockey) (born 1972), American former ice hockey left winger
- Seán O'Brien (rugby union, born 1987), former Irish rugby union international flanker for Leinster and London Irish
- Seán O'Brien (rugby union, born 1994), former Irish rugby union flanker for Connacht
- Seán O'Brien (rugby union, born 1998), Irish rugby union centre / winger for Munster
- Seán O'Brien (rugby union, born 2000), American-born Irish rugby union flanker for Connacht
- Sean O'Brien (windsurfer) (born 1984), Australian windsurfer
- Sean O'Brien (footballer), English footballer
Other people
- Sean O'Brien (writer) (born 1952), British writer
- Sean C. O'Brien, co-discoverer of buckminsterfullerene
- Sean O'Brien (labor leader), American trade unionist
- Sean O'Brien (musician), bassist and original member of Boston rock band Come
- Sean O'Brien (Ohio politician) (born 1969), Democratic member of the Ohio Senate
See also
- John O'Brien (disambiguation)
- Sean O'Bryan (born 1963), American actor
- Shaun O'Brien (disambiguation)
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: