Alex Kellner, American baseball player (died 1996)

Alexander Raymond Kellner was an American starting pitcher in Major League Baseball who played for the Philadelphia / Kansas City Athletics (1948–1958), Cincinnati Reds (1958) and St. Louis Cardinals (1959). Kellner batted right-handed and threw left-handed. He was born in Tucson, Arizona. His younger brother, Walt, also was a major league pitcher.