Montemayor is a surname. Notable persons with that name include:
Carlos Montemayor (1947–2010), Mexican novelist, poet, essayist, literary critic, tenor, and political analyst Diego de Montemayor (1530–1610), Spanish conquistador, explorer, officer, and politician Felipe Montemayor (1928–2025), Mexican baseball player Jorge de Montemayor ( 1520 – 1561), Portuguese novelist and poet Jose Montemayor Jr. (born 1962), Filipino lawyer and doctor and a candidate for the 2022 Philippine presidential election Myriam Montemayor Cruz (born 1981), Mexican singer
Fictional characters Leandro Montemayor, president of the Philippines in the Philippine television series Kung Mawawala Ka