| Festus Tierney | |
| Position: | Guard |
| Birth Date: | 1 July 1899 |
| Birth Place: | Saint Paul, Minnesota |
| Death Place: | Minneapolis, Minnesota |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lbs: | 198 |
| College: | Minnesota |
| Pastteams: | |
| Statlabel1: | Games played |
| Statvalue1: | 25 |
| Pfr: | T/TierFe20 |
Festus Patrick Tierney (July 1, 1899 – August 14, 1973) was a guard in the National Football League.[1] Tierney split the 1922 NFL season between the Hammond Pros and the Toledo Maroons before playing the next two season with the Minneapolis Marines. He played his final season with the Milwaukee Badgers.[2]