¡Ay, Jalisco, no te rajes! (English: "Jalisco, don't back down") is a 1941 Mexican film directed by Joselito Rodríguez, starring Jorge Negrete, Gloria Marín and Carlos López. It is the prequel to El Ametralladora, starring Pedro Infante in the role as Salvador Pérez Gómez 'El Ametralladora'. It is based on the book ¡Ay, Jalisco, no te rajes! by Aurelio Robles Castillo. Evita Muñoz was five years old when she played the character Chachita in the film, and also earning her the nickname she was known by for the length of her career. It was released at the Cine Olimpia on November 12, 1941.

Jorge Negrete and Gloria Marín first met at the reading for the film and, although Negrete was already married, they both had chemistry both on and off the camera which became evident in the film. After the movie they remained friends, and when Negrete returned from New York to film his next movie, they began a stormy relationship that lasted several years.