Maria Margareta Blom, (born 28 February 1971) is a Swedish film director, dramatist and screenwriter. She is perhaps best known for the film Masjävlar from 2004. Blom has written and directed more than ten theater plays among them "Rabarbers", "Sårskorpor" and " Dr. Kokos Kärlekslaboratorium" at Stockholms Stadsteater and "Under hallonbusken" at Dramaten.