Montemayor is a surname. Notable persons with that name include:
Carlos Montemayor (1947–2010), Mexican novelist, poet, essayist, literary critic, tenor, and political analystDiego de Montemayor (1530–1610), Spanish conquistador, explorer, officer, and politicianFelipe Montemayor (born 1928), Mexican footballerJorge de Montemayor (c. 1520 – 1561), Portuguese novelist and poetMyriam Montemayor Cruz (born 1981), Mexican singerRhoda Montemayor (born 1979), British actress