María Mercedes Vial Solar (1863–1942), also known as María Mercedes Vial de Ugarte or by her literary pseudonym Serafia, was a Chilean feminist writer and novelist.
María Mercedes Maciel Ortiz is a Mexican politician from the Labor Party. She has served as Deputy of the LVII and LX Legislatures of the Mexican Congress representing Oaxaca. She previously served as a regidora (city councillor) in Tijuana from 1986 to 1989, elected as a member of the now-defunct Workers' Socialist Party (PST).
María Mercedes Pacheco is an Ecuadorian actress known for her portrayals of various television characters, as well as her work as a presenter for some TV programs. Pacheco is also known for playing 'Estrellita Vespertina' in the comedy series El Combo Amarillo on Ecuavisa.
María Mercedes Coroy is a Guatemalan actress of Kaqchikel Maya descent. She is known for her roles in Ixcanul, La Llorona, Bel Canto, Malinche, and Black Panther: Wakanda Forever.