Denis O'Sullivan

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
• Denis O'Sullivan, Irish yachtsman, father of cabaret performer and singer Camille O'Sullivan

See also

• Dennis O'Sullivan (disambiguation)