| Ross Petty | |
| Position: | Guard |
| Birth Date: | 11 September 1892 |
| Birth Place: | Sumner, Illinois, U.S. |
| Death Place: | Milwaukee, Wisconsin, U.S. |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lbs: | 180 |
| High School: | Lawrenceville |
| College: | Illinois |
| Pastteams: | |
| Highlights: | |
| Statlabel1: | Games played |
| Statvalue1: | 10 |
| Statlabel2: | Games started |
| Statvalue2: | 5 |
| Pfr: | PettRo20 |
Manley "Ross" Petty (September 11, 1892 – March 13, 1966) was an American football guard who played one season for the Decatur Staleys of the National Football League (NFL).[1] [2] He played college football at the University of Illinois for the Illinois Fighting Illini football team.