María Peláez Navarrete (born 13 November 1977 in Málaga, Andalusia) is a former butterfly swimmer from Spain, who competed at five consecutive Summer Olympics for her native country, starting in 1992. She won the silver medal in the 200 m butterfly at the 1999 European Aquatics Championships in Istanbul, Turkey, after gaining the title in the same event, two years earlier at the European Championships in Seville, Spain.