The Last of the Duanes is a 1924 silent film western directed by Lynn Reynolds and starring Tom Mix, with his horse Tony the Wonder Horse. It is based on a 1914 Zane Grey novel, Last of the Duanes. A print of the film exists, after it was discovered in a chicken farm in the Czech Republic. This was the second of four films based on the novel; a 1919 silent film adaptation starred William Farnum, a 1930 adaptation starred George O'Brien, and a 1941 adaptation featured George Montgomery.