Swainson's a family name of English origin. It may refer to: People Charles Anthony Swainson (1820–1887), English theologian Gina Swainson (born 1958), Bermudan first runner-up in the 1979 Miss Universe contest Isaac Swainson (1746–1812), English patent medicine entrepreneur John Swainson (1925–1994), American politician William John Swainson (1789–1855), English naturalist William Swainson (lawyer) (1809–1884), English lawyer Places The Swainson Island Grou… (More on Swainson)