William Ledyard Stark (July 29, 1853 – November 11, 1922) was an American Populist Party politician. Born in Mystic, Connecticut on July 29, 1853, Stark moved to Wyoming, Illinois, in 1872. He taught school and worked as a clerk at a store. He attended Union College of Law in Chicago, Illinois. He was admitted to the bar by the Supreme Court of Illinois in January 1878. Stark ran for the United States Congress as a Fusionist in 1902, but lost. After leaving office in 1903, he retired to Aurora.