Longdon is a surname. Notable people with the surname include:
Albert Longdon (1865–1937), English cricketer Anthony Longdon, Grenadian boxer Darryl Longdon (born 2000), American soccer player David Longdon (1965–2021), British musician Jennifer Longdon, American politician Remy Longdon (born 1997), English footballer Terence Longdon (1922–2011), English actor
See also Longden (surname)