Adolph Frederick "Swede" Youngstrom (May 24, 1897 – August 5, 1968) was a professional football player. Over the span of his career in the National Football League, Youngstrom played with the Buffalo All-Americans, Canton Bulldogs, Buffalo Bisons, Cleveland Bulldogs and the Frankford Yellow Jackets. He also served as a player-coach for the Yellow Jackets in 1927. Outside of the NFL, Youngstrom played pro football for the Millville Big Blue and the Haven-Villa of Winter Haven.