| Glenn Liebhardt | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | July 31, 1910 |
| Birth Place: | Cleveland, Ohio |
| Death Place: | Winston-Salem, North Carolina |
| Debutleague: | MLB |
| Debutdate: | April 22 |
| Debutteam: | Philadelphia Athletics |
| Finalleague: | MLB |
| Finaldate: | August 9 |
| Finalteam: | St. Louis Browns |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–1 |
| Stat2label: | Strikeouts |
| Stat2value: | 23 |
| Stat3label: | Earned run average |
| Stat3value: | 8.96 |
| Teams: |
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Glenn Ignatius Liebhardt (July 31, 1910 – March 14, 1992) was a Major League Baseball pitcher who played for three seasons. He played for the Philadelphia Athletics in 1930 and the St. Louis Browns in 1936 and 1938.
Glenn's father, Glenn John Liebhardt, was also a major league pitcher.