The Sporting Duchess is a 1915 American silent drama film directed by Barry O'Neil and starring Rose Coghlan and Ethel Clayton. It was produced by the Lubin Manufacturing Company and distributed by V-L-S-E.
The film was remade by Vitagraph Studios in 1920 with Alice Joyce in the title role.
With no prints of The Sporting Duchess located in any film archives, it is a lost film.