Will Horn

William Horn (birthdate unknown) was an American baseball pitcher in the pre-Negro leagues. He played several years for Chicago teams like the Chicago Unions and Leland Giants. He also spent a couple of seasons with Iowa's Algona Brownies.

Horn played with several popular players of the day, including Bill Gatewood, Bruce Petway, Dangerfield Talbert, Henry W. Moore, Chappie Johnson, Albert Toney, George Hopkins, and Harry Hyde.