| Position: | Fullback |
| Birth Date: | 1 January 1905 |
| Birth Place: | Mount Carmel, Pennsylvania |
| College: | Bucknell |
| Pastteams: |
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| Statlabel1: | Games played |
| Statvalue1: | 38 |
| Statlabel2: | Games started |
| Statvalue2: | 30 |
| Statlabel3: | Touchdowns |
| Statvalue3: | 11 |
| Highlights: |
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Glenn Walter "Wally" Diehl (January 1, 1905 – May 29, 1954) was a professional American football fullback in the National Football League. He played three seasons for the Frankford Yellow Jackets (1928–1930).