Beatriz Gutiérrez Müller (born 13 January 1969) is a Mexican writer and investigator. She is the wife of the President of Mexico, Andrés Manuel López Obrador. She worked as a journalist, managing to work for "El Universal" while she lived in Puebla. Later on, she worked in the Mexico City government during Andrés Manuel López Obrador's time as Head of Government of Mexico City. 