Fabian Lorenz Kowalik (April 22, 1908 – August 14, 1954), was a professional baseball pitcher. He played in the Major League Baseball from 1932 to 1936 for the Chicago Cubs, Chicago White Sox, Philadelphia Phillies, and Boston Bees. Kowalik pitched for the Cubs in the 1935 World Series, despite only playing 20 regular season games. His sole appearance came in Game 2, pitching 4+1⁄3 innings and giving up one unearned run, as well as scoring a single in the 7th inning. Born in Falls City, Texas, Kowalik died in Karnes City, Texas, on August 14, 1954, aged 46.