Grytten is a surname. Notable people with the surname include:
Frode Grytten (born 1960), Norwegian writer and journalist Harald Grytten (1938–2025), Norwegian philologist and historian Ingeborg Grytten (–), Norwegian writer Ola Honningdal Grytten (born 1964), Norwegian economics historian Sigurd Grytten (born 1972), Norwegian politician Torbjørn Grytten (born 1995), Norwegian footballer