Dan, Danny, or Daniel Sullivan may refer to:
Arts and entertainment
Politics and government
United States
Others
Sports
- Dan Sullivan (baseball) (1857âÂÂ1893), 19th-century Major League Baseball player
- Dan Sullivan (American football) (1939âÂÂ2025), American football offensive lineman
- Daniel Sullivan (ice hockey, born 1947), former World Hockey Association goaltender
- Danny Sullivan (born 1950), American race car driver
- Danny Sullivan (rugby league) (born 1982), Australian rugby league player
- Daniel Sullivan (American football), American football coach
- Dan Sullivan (ice hockey, born 1981), Canadian ice hockey player
- Daniel Sullivan (ice hockey, born 1987), Canadian-born Italian ice hockey defenceman
- Danny Sullivan (footballer) (born 1994), association footballer for Torquay United F.C.
Other people
Fictional characters