Southcott is a surname. Notable people with the surname include:
Andrew Southcott (born 1967), Australian politician Ernest Southcott (1915–1976), Anglican priest Heather Southcott (1928–2014), Australian politician James Henry Southcott (1857–1913), Australian founder of Southcott Limited Joanna Southcott (1750–1814), English self-described religious prophetess Mary Southcott (1862–1943), Newfoundland nurse and hospital administrator Ronald Vernon Southcott (1918–1998), Australian medical zoologist