Dennis O'Sullivan may refer to:
- Dennis O'Sullivan (American football) (born 1976), American football player
- Dennis O'Sullivan (Australian footballer) (born 1946), for the Carlton Football Club
- Dennis O'Sullivan, see Roman Catholicism in Liberia
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: