Frank Samuel "Lefty" Barnes (January 9, 1900 – September 27, 1967) was a Major League Baseball (MLB) pitcher. Barnes played for the Detroit Tigers in 1929 and the New York Yankees in 1930. In six career games, he had a 0–2 record, with a 7.79 earned run average.
Frank Barnes
| Given name: | Frank Samuel Barnes |
| Nicknames: | None |
| Primary Pos: | Pitcher |
| Hght/Wght: | 6'2" / 195 lbs |
| Bats/Throws: | L / L |
| Born: | Jan 9, 1900 in Dallas, TX |
| Died: | Sep 27, 1967 in Houston, TX (67 years old) |
| Debut: | Apr 18, 1929 |