Denis O'Sullivan may refer to:
- Denis J. O'Sullivan (1918–1987), Irish politician
- Denis O'Sullivan (golfer) (born 1948), Irish golfer
- Denis O'Sullivan (Gaelic footballer) (born 1989), Cork Gaelic footballer
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.