| Matt Tierney | |
| Birth Name: | Matthew Martin Joseph Tierney |
| Birth Date: | 4 July 1996 |
| Birth Place: | Mississauga, Ontario |
| Weight: | 134kg (295lb) |
| Position: | Tighthead Prop |
| Amatyears1: | 2014-2015 |
| Amatyears2: | 2015-2016 |
| Amatteam1: | Ontario Blues |
| Amatteam2: | Pau Academy |
| Repteam1: | Canada U20 |
| Repteam2: | Canada |
| Repcaps1: | 5 |
| Repcaps2: | 20 |
| Reppoints1: | 0 |
| Reppoints2: | 0 |
| Repyears1: | 2015-16 |
| Repyears2: | 2016– |
| Ru Ntupdate: | 9 September 2019 |
| Years1: | 2016-19 |
| Years2: | 2019- |
| Apps1: | 28 |
| Apps2: | 41 |
| Points1: | 0 |
| Points2: | 5 |
| Clubs2: | Castres Olympique |
| Ru Clubupdate: | 6 December 2019 |
Matthew Martin Joseph Tierney (born 4 July 1996) is a Canadian rugby union player. He currently plays for Castres Olympique in the Top14.