Ten Nights in a Bar Room is a 1910 American silent short drama produced by the Thanhouser Company. Adapted from the novel Ten Nights in a Bar-Room and What I Saw There by Timothy Shay Arthur, the production focuses on Joe Morgan after he has become a hopeless drunkard. Often Morgan's young daughter, Mary, comes to beg her father to return home. One day, she appears during a fight between the two men and is fatally struck by a bottle thrown by the saloon-keeper. Before Mary dies she asks her father to promise to swear off alcohol and he accepts. He is reformed and becomes successful, while the saloon-keeper is killed in a fight in an irony of fate. The film was released on November 4, 1910 and met with mixed reviews. The film is presumed lost.