Allart is a surname. Notable people with the surname include:
Alexis Allart (born 1986), French football player Constant Allart (1796–1861), French politician Hortense Allart (1801–1879), Italian-French author Robert Allart (born 1913), Belgian weightlifter ship HDMS Allart (1807), originally Danish, captured at the Battle of Copenhagen (1807). Later recaptured by Denmark.