Waterloo Bridge is a 1940 American drama film and the remake of the 1931 film also called Waterloo Bridge, adapted from the 1930 play Waterloo Bridge. In an extended flashback narration, it recounts the story of a dancer and an army captain who meet by chance on Waterloo Bridge in London. The film was made by Metro-Goldwyn-Mayer, directed by Mervyn LeRoy and produced by Sidney Franklin and Mervyn LeRoy. The screenplay is by S. N. Behrman, Hans Rameau and George Froeschel, based on the Broadway drama by Robert E. Sherwood. The music is by Herbert Stothart and cinematography by Joseph Ruttenberg.

The film stars Robert Taylor and Vivien Leigh. It was a success at the box office and nominated for two Academy Awards: Best Music for Herbert Stothart and Best Cinematography. It was also considered a personal favorite by both Leigh and Taylor.

In 1956, it was remade again as Gaby, which stars Leslie Caron and John Kerr.