Landzaat is a Dutch surname. Notable people with the surname include:
André Landzaat (1944–2025), Dutch actor Denny Landzaat (born 1976), Dutch footballer Willem Pieter Landzaat (1886–1940), Dutch war hero, recipient of the Military William Order
Fictional characters: Faldio Landzaat, character in the Valkyria Chronicles series Karl Landzaat, character in the Valkyria Chronicles series