Monroy is a surname of Spanish origin. Notable people with the surname include:
Beatrice Monroy (born 1953), Italian author and dramatistBert Monroy (21st century), American artistCarlos Julio Arosemena Monroy (1919-2004), Vice President of EcuadorCrispin Castro Monroy (born 1936), Mexican politicianFernando Monroy (born 1980), Colombian football defenderRafael Monroy (1878–1915), martyr of The Church of Jesus Christ of Latter-day SaintsRamiro Ponce Monroy (20th century), Vice President of Guatemala