Mancilla (surname)

Mancilla is a Spanish surname. Notable people with the surname include:
 * Alicia Mancilla (born 1999), Guatemalan swimmer
 * Eder Mancilla (born 1986), Venezuelan football manager
 * Harrinson Mancilla (born 1991), Colombian footballer
 * Héctor Mancilla (born 1980), Chilean footballer
 * Horacio Mancilla, Mexican voice-over, dubbing actor and writer
 * José Carrillo Mancilla (born 1995), Spanish footballer
 * Luis Argel Mancilla (born 1959), Argentine skier
 * Nicolás Mancilla (born 1993), Chilean footballer
 * Niusha Mancilla (born 1971), Bolivian former middle and long-distance runner
 * Patricia Mancilla (born 1966), Bolivian politician
 * Sebastian Mancilla Olivares (1956–2009), Chilean writer, director, and playwright
 * Sergio Mancilla Zayas (born 1971), Mexican politician
 * Víctor Mancilla (1921–2011), Chilean footballer