Swan is an American, Australian, Brazilian, Canadian, English, Finnish, and Irish surname. Notable people with the surname include:
Anni Swan (1875–1958), Finnish writerAstrid Swan (1982–), Finnish musician and singerBarbara Swan (1922–2003), American artistCarole Swan, Canadian public servant, President of the Canadian Food Inspection AgencyGuy Swan, United States Army Lft. generalIsabel Swan (1983–), Brazilian sailorJames Swan (1974–), Australian boxerJames Swan, (1811–1891) Australian politician, Mayor of BrisbaneJames Swan, (1903–1977), American politicianJames Gilchrist Swan, (1818–1900), U.S. Indian agentJeremy Swan (1922–2005), Irish cardiologistKal Swan, Scottish-born vocalistJohn "Swanee" Swan (1952–), Australian rock singerJoseph Swan (1828–1914), English physicist and chemistRichard Swan, American mathematicianWayne Swan (1954–), Australian politician, Treasurer of Australia (2007–2013)