María Laura Leguizamón (born 21 January 1965) is an Argentine Justicialist Party politician. She was a National Senator for Buenos Aires Province from 2011 to 2017 and for the City of Buenos Aires from 2003 to 2007. She also served in the Argentine Chamber of Deputies and in the Buenos Aires City Legislature. Leguizamón was born in La Plata and graduated as a lawyer and notary from the University of La Plata. She worked as an official for the government of Buenos Aires Province. Leguizamón's brother, Aníbal Leguizamón, also became a Deputy in 2007, opposed to the FPV bloc.