Rafael Nieto may refer to:

Rafael Nieto (politician) (1884–1926), Mexican politician, early 20th century, see Governor of San Luis Potosí Rafael Nieto Abeillé (d. 1916), Cuban judge and Puerto Rican Attorney General Rafael Nieto Loaiza (b. 1966), Colombian jurist, political analyst Rafael Nieto Navia (b. 1938), Colombian jurist, judge, ambassador