Swan is an American, Australian, Brazilian, Canadian, English, Finnish, and Irish surname. Notable people with the surname include:
Anni Swan (1875–1958), Finnish writer
Astrid Swan (1982–), Finnish musician and singer
Barbara Swan (1922–2003), American artist
Carole Swan, Canadian public servant, President of the Canadian Food Inspection Agency
Guy Swan, United States Army Lft. general
Isabel Swan (1983–), Brazilian sailor
James Swan (1974–), Australian boxer
James Swan, (1811–1891) Australian politician, Mayor of Brisbane
James Swan, (1903–1977), American politician
James Gilchrist Swan, (1818–1900), U.S. Indian agent
Jeremy Swan (1922–2005), Irish cardiologist
Kal Swan, Scottish-born vocalist
John "Swanee" Swan (1952–), Australian rock singer
Joseph Swan (1828–1914), English physicist and chemist
Richard Swan, American mathematician
Wayne Swan (1954–), Australian politician, Treasurer of Australia (2007–2013)
