Montserrat Gibert i Llopart (born 1948, Barcelona) was the mayor of Sant Boi de Llobregat (a large suburb of Barcelona, Catalonia, Spain) from 1997 until 2007.
Gibert studied at the Autonomous University of Barcelona and moved to Sant Boi in 1971 to teach.
She was the first female mayor of the city of Sant Boi de Llobregat.
Gibert is a centre-left politician of the PSC; her municipal government was socialist in coalition with the Initiative for Catalonia Greens. In her term, she accomplished restoration of the Llobregat river and restoration of old buildings.
Gibert endorsed Joan Herrera, the candidate of the Green-left ("eco-socialists") coalition.