Leonard Leslie "King" Cole (April 15, 1886 – January 6, 1916) was an American professional baseball player in the early 20th century. He started his baseball career as a pitcher with the Chicago Cubs of Major League Baseball (MLB) in 1909. In 1915, Cole was diagnosed with lung cancer; he died in January 1916. Ring Lardner wrote about Cole in articles for The Sporting News. Lardner compiled the stories into the Alibi Ike stories.