Southwell is a surname. Notable people with the surname include:
Alec Southwell, Australian lawyer and judge Alfredo Salazar Southwell (1913–1937), aviator Anne Southwell (1574–1636), English poet Charles Southwell (1814–1860), journalist David Southwell (born 1971), author Dayle Southwell (born 1993), professional footballer Elizabeth Southwell (courtier) (died 1631), English courtier Elizabeth Southwell (1674–1709), English aristocrat Hugo Southwell (born 1980), rugby player Owen J. T. Southwell (1892–1961), American architect Paul Southwell (1913–1979), Premier of Dominica and Saint Kitts-Nevis Paul Southwell (rugby union) (born 1956), Australian rugby union player Richard V. Southwell (1888–1970), mathematician specializing in applied mechanics Richard Southwell (disambiguation) Robert Southwell (disambiguation)