John A. Kull (born John A. Kolonauski: June 24, 1882 – March 30, 1936) was a Major League Baseball pitcher. Kull played for the Philadelphia Athletics in 1909. In 1 career game, he had a 1-0 record, going three innings, and striking out four batters. He batted and threw left-handed, and singled in his only turn at-bat for a rare MLB career batting average of 1.000.
Kull was born in Shenandoah, Pennsylvania and died in Schuylkill Haven, Pennsylvania.