Dan, Danny, or Daniel Sullivan may refer to:
Arts and entertainment Daniel J. Sullivan (born 1940), American film and theater director Daniel G. Sullivan, American screenwriter Dan Sullivan (musician), indie rock musician Dan Panic, American punk rock drummer, real name Dan Sullivan Daniel Sullivan (countertenor) (died 1764), Irish opera singer Dan Sullivan (critic) (1935–2022), American theater critic Daniel Sully, American actor (1855-1910), born "Daniel Sullivan"
Politics and government United States Daniel V. Sullivan (1886–1966), New York judge and district attorney Dan Sullivan (Arkansas politician) (born 1963), member of Arkansas State Senate Daniel Sullivan (New Hampshire politician), member of the New Hampshire House of Representatives Dan Sullivan (Oklahoma politician) (born 1963), member of the Oklahoma House of Representatives Dan Sullivan (Anchorage mayor) (born 1951), Republican former mayor of Anchorage, Alaska Dan Sullivan (U.S. senator) (born 1964), Republican U.S. senator from Alaska
Others Dan Sullivan (New Zealand politician) (1882–1947), New Zealand politician Dan Sullivan (Australian politician) (born 1960), from Western Australia
Sports Dan Sullivan (baseball) (1857–1893), 19th-century Major League Baseball player Dan Sullivan (American football) (1939–2025), 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 Danny Sullivan (technologist) (born 1965), American search engine expert Daniel Sullivan (Great Chicago Fire), American involved in the Great Chicago Fire Daniel Augustus Joseph Sullivan (1884–1941), American naval officer; Medal of Honor recipient Daniel Sullivan (entrepreneur), American entrepreneur and business executive Daniel Sullivan (frontiersman) (died 1790), 18th-century military figure in the North American frontier Daniel "Horse-Whisperer" Sullivan (died 1810), Irish horse trainer Daniel Y. Sullivan (1948–2012), American dentist
Fictional characters Dan Sullivan (EastEnders), a character from the BBC soap opera EastEnders Danny Sullivan (Dream Team), a character from the British television series Dream Team