Fifth Avenue Girl, sometimes stylized as 5th Ave Girl, is a 1939 RKO Radio Pictures comedy film directed by Gregory La Cava and starring Ginger Rogers, Walter Connolly, Verree Teasdale, and James Ellison. The screenplay was written by Allan Scott with uncredited contributions by La Cava and Morris Ryskind.

Gregory La Cava was an American film director of Italian descent best known for his films of the 1930s, including My Man Godfrey and Stage Door, which earned him nominations for Academy Award for Best Director.