Claude Alfred "Lefty" Thomas (May 15, 1890 – March 6, 1946) was a Major League Baseball pitcher who played for the Washington Senators in 1916.
Claude Thomas
| Given name: | Claude Alfred Thomas |
| Nicknames: | None |
| Primary Pos: | Pitcher |
| Hght/Wght: | 6'1" / 180 lbs |
| Bats/Throws: | L / L |
| Born: | May 15, 1890 in Stanberry, MO |
| Died: | Mar 6, 1946 in Sulpher, OK (55 years old) |
| Debut: | Sep 14, 1916 |