| Position: | Guard/Tackle |
| Birth Date: | 1 August 1895 |
| Birth Place: | Fond du Lac, Wisconsin |
| Death Place: | Hartford, Wisconsin |
| College: | Wisconsin |
| Teams: |
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| Statlabel1: | Games played |
| Statvalue1: | 4 |
| Pfr: | K/KochPo20 |
Walter Henry "Polly" Koch[1] (August 1, 1895June 22, 1976) was a player in the American Professional Football Association for the Rock Island Independents in 1920 as a guard and tackle. He played at the collegiate level at the University of Wisconsin–Madison.