Alexander Rodger Beam
- Bats Unknown, Throws Unknown
- Height 5' 9"
- Debut May 25, 1889
- Final Game May 29, 1889
- Born November 21, 1869 in Johnstown, PA USA
- Died April 17, 1938 in Nogales, AZ USA
19-year-old Alex Beam pitched in a couple games for the Pittsburgh Alleghenys in 1889. He was not the youngest person on the squad, as 19-year-old Alex Jones, who pitched in one game, was a bit younger. Beam appeared early in the season while Jones appeared near the end.