The Adventures of Kathlyn (1913) is an American motion picture serial released on December 29, 1913 by the Selig Polyscope Company. An adventure serial filmed in Chicago, Illinois, its thirteen episodes were directed by Francis J. Grandon from a story by Harold MacGrath and Gilson Willets and starred Kathlyn Williams as the heroine. Harold MacGrath's novel of the same title was released a few days later in January 1914, so as to be in book stores at the same time as the serial was playing in theaters.