Vivacious Lady is a 1938 American black-and-white romantic comedy film directed by George Stevens and starring Ginger Rogers and James Stewart. It was released by RKO Radio Pictures. The screenplay was written by P.J. Wolfson and Ernest Pagano and adapted from a short story by I. A. R. Wylie. The music score was by Roy Webb and the cinematography by Robert De Grasse.

The film is a story of love at first sight between a young botany professor and a nightclub singer. The film's comedic elements include repeatedly frustrated attempts by the newlywed couple to find a moment alone with each other. Among the supporting players are James Ellison, Frances Mercer, Beulah Bondi, Franklin Pangborn, and Charles Coburn, as well as an uncredited appearance by Hattie McDaniel.