Van Praet is a surname. Notable people with the surname include:
Joseph Van Praet (1754–1837), French librarian Jules Van Praet (1806–1887), Belgian diplomat Louis of Praet (1488–1555), Dutch diplomat and politician
See also Adolfo Van Praet, village in La Pampa Province, Argentina Praet, list of people with the surname Praet van Praet d'Amerloo, Belgian noble family dating back to the XII century