Sean O'Brien
Sean O'Brien is the name of the following people:
- Sean O'Brien (writer) (born 1952), British writer, poet and critic
- Sean O'Brien (ice hockey player) (born 1972), American ice hockey player
- Sean O'Brien (rugby player, 1987) (born 1987), Irish rugby union player
- Sean O'Brien (rugby player, 1994) (born 1994), Irish rugby union player
See also:
- Sean O'Bryan (born 1963), American actor
- Shaun O'Brien (* 1969), Australian cyclist