Second Fiddle is a 1957 British comedy film directed by Maurice Elvey and starring Adrienne Corri, Thorley Walters, Lisa Gastoni and Richard Wattis. The film was produced by Robert Dunbar for Act Films Ltd. It was the final film of prolific director Maurice Elvey.The title comes from the phrase "to play second fiddle" in allusion to an orchestra, meaning to be ignored in relation to some other more important party whilst putting in as much effort.

Second Fiddle was missing from the BFI National Archive, and was listed as one of the British Film Institute's "75 Most Wanted" lost films. BFI's update on the list reveals that the film is now found and commercially available on DVD from mid-2015.