Kilborn is a surname. Notable people with the surname include:
Cecil Kilborn (1902–?), English footballer Craig Kilborn (born 1962), American comedian, sports and political commentator, actor and television host John Kilborn (1794 – after 1878), Canadian politician and judge Leslie Gifford Kilborn (1895–1972), Canadian missionary Lewis Kilborn (1902–1984) Michael Kilborn (born 1962), Australian cricketer Omar Leslie Kilborn (1867–1920), Canadian Methodist missionary and writer Pam Kilborn (born 1939), Australian athlete Stephen Kilborn, (born 1950), potter and painter Virginia Kilborn, Australian radio astronomer