Nieto is a Spanish surname. Notable people with the surname include:
Alfonso González Nieto (born 1978), Spanish motorcycle racer
José Alfonso Nieto Martínez (born 1991), Mexican footballer
Angel Nieto (born 1947), Spanish motorcycle racer
Antonio Jesús López Nieto (born 1958), Spanish soccer referee
Claudio Nieto Jiménez (born 1977), Chilean ski mountaineer and triathlete.
Daniel 'Dani' Nieto Vela, (born 1991), Spanish footballer
David Nieto (1654–1728), Jewish Hakham in London
Domingo Nieto (1803–1844), President of Peru
Enrique Peña Nieto (born 1966), President of Mexico
Enrique Nieto y Nieto (1880 or 1883–1954), Catalan architect
Ernesto Nieto (born 1940), founder of the National Hispanic Institute
Federico Gastón Nieto (born 1983), Argentine footballer
Fonsi Nieto (born 1978), Spanish motorcycle racer
Jamie Nieto (born 1976), American high jumper
Jan Nieto (born 1981), Filipino singer
José Nieto (born 1942), Spanish musician and composer
Juan José Nieto Gil, (1805–1866), 61st president of Colombia
Kit Nieto, Filipino lawyer and incumbent mayor of Cainta
Manuel Nieto (1734–1804), soldier in Spanish California
Miguel Ángel Nieto (born 1986), Spanish soccer player
Pablo Nieto (born 1980), Spanish motorcycle racer
Tom Nieto (born 1960), American baseball player and manager
Rafael Nieto Navia (born 1938), Colombian jurist
Rodolfo Nieto Labastida (1936–1985), Mexican painter
Víctor Nieto Nuñez (1916–2008), founder and director of the Cartagena Film Festival
