Swanston is an English-language surname derived from Swanston in Scotland, or similar toponym.
Notable people with this surname include:
Charles Swanston (1789–1850), English merchant, banker, and politician, who lived in Tasmania and Geelong, Victoria Eliard Swanston (died 1651), English actor George Heriot Swanston (1814–?), Scottish map engraver Hamish Swanston (1933–2013), British theologian and historian James Beck Swanston (1878–1957), Canadian farmer, surgeon, and politician J. W. Swanston, 19th-century English printer Velma Swanston Howard (1868–1937), Swedish-American translator