Flying Fifty-Five is a 1939 British sports-drama film directed by Reginald Denham and starring Derrick De Marney, Nancy Burne, John Warwick and Peter Gawthorne. It was made by Admiral Films at Welwyn Studios. The film is based on a 1922 novel of the same name by Edgar Wallace.
After being disinherited by his wealthy father, an amateur jockey goes to work under an assumed name at a rural racing stables. Confusion arises when he is mistakenly reported to have been murdered.