The Girl's Houseboy (El mucamo de la niña) is a 1951 Argentine musical comedy film of the classical era of Argentine cinema, directed by Enrique Carreras on his directorial debut [1][2] with Juan Sires.

It stars Lolita Torres, Alfredo Barbieri, Tito Climent and Gogó Andreu and was released on 24 October 1951 in Buenos Aires.

[3] A young man goes to work as a servant in a millionaire's house to look after his daughter.

King in El Mundo said the film was: "Direct in its comedy and fast in its action."

Raúl Manrupe and María Alejandra Portela in their book Un diccionario de films argentinos (1930–1995) write (translated from Spanish): "Enrique Carreras combined the songs of the juvenile Lolita and the humor of Barbieri to achieve a hit".