Maria Foser-Beck is a Liechtensteiner politician. She was the first woman to serve as Deputy Government Councillor for Social Affairs.
In 1984, Prince Franz Joseph II appointed Foser-Beck as Deputy Government Councillor for Social Affairs of Liechtenstein (Regierungsrat-Stellvertreterin), the same year that Liechtensteiner women obtained the right to vote. She was the first woman to hold this office. Foser served as Deputy Councillor from 1984 to 1993.
Foser-Beck lives in Triesenberg and is a member of the Liechtenstein Samaritan Association.