David O'Brien
David O'Brien is the name of the following people:
- David O'Brien (actor) (1937–1989), American soap opera actor
- David O'Brien (swimmer, Australia) , Australian swimmer
- David O'Brien (sailor) (born 1963), Irish sailor
- David O'Brien (ice hockey player) (born 1966), American ice hockey player
- David O'Brien (rider) (* 1978), Irish show jumper
- David O'Brien (swimmer, Great Britain) (born 1983), British swimmer
See also :
- David O'Brien Martin (1944–2012), American politician
- Dave O'Brien