Eva María Muñoz Ruíz[a] (November 26, 1936 – August 23, 2016), known professionally as Evita Muñoz "Chachita", was a Mexican actress and comedian. Her professional career began in 1941, when she was only four years old, and she continued performing through, and contributing to, the Golden Age of Mexican cinema. Muñoz was still four years old when she played the character Chachita in her second film, ¡Ay, Jalisco, no te rajes! (Ay! Jalisco, don't back down) (1941), and went on to play Chachita in eight more films and numerous television roles over the subsequent decades, and would be credited as Eva Muñoz "Chachita" in other appearances. For more than 75 years, "Chachita" was recognized as a successful artist in cinema, television, theater, radio, nightclub and circus shows.

Evita Muñoz Chachita foi uma atriz e dubladora mexicana.