| Position: | Back |
| Birth Date: | 25 May 1906 |
| Birth Place: | Springfield, Ohio, U.S. |
| Death Date: | September 1979 (aged 73) |
| Death Place: | Huntsville, Ohio, U.S. |
| High School: | Fairmont (OH) |
| College: | Worcester State |
| Pastteams: |
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| Statlabel1: | Games |
| Statvalue1: | 5 |
| Pfr: | HaasBo20 |
Robert K. Haas (May 25, 1906 – September 1979) was an American football player. He played college football at Worcester State and professional football in the National Football League (NFL) as a back for the Dayton Triangles. He appeared in five NFL games, three as a starter, during the 1929 season.[1]