David O'Sullivan may refer to:
- Dave O'Sullivan (horse trainer) (1933–2024), New Zealand horse trainer
- David O'Sullivan (cricketer, born 1944), New Zealand cricketer
- David O'Sullivan (civil servant) (born 1953), Irish civil servant for the European Union
- David O'Sullivan (hurler) (born 1988), Irish hurler
- David O'Sullivan (cricketer, born 1997), Australian-born Welsh cricketer
- David O'Sullivan (bowler), American ten-pin bowler
- David O'Sullivan, character in Black and White
See also
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: