Inés María Mendoza Rivera de Muñoz Marín (January 10, 1908 in Naguabo, Puerto Rico – August 13, 1990 in San Juan), was a former First Lady of Puerto Rico, teacher, writer and socialite. She was the second wife of Governor Luis Munoz Marín. Inés Mendoza stood by the Spanish language, defying the new colonial authorities that wanted to replace it with English.