| Thierry Manzi | |
| Birth Date: | 1996 7, df=yes |
| Birth Place: | Kigali, Rwanda |
| Height: | 1.86m |
| Position: | Defender |
| Currentclub: | Al Ahli Tripoli |
| Clubnumber: | 5 |
| Years1: | 2013–2014 |
| Clubs1: | Isonga |
| Years2: | 2014–2015 |
| Years3: | 2015–2019 |
| Years4: | 2019–2021 |
| Years5: | 2021–2022 |
| Caps5: | 9 |
| Goals5: | 0 |
| Years6: | 2022–2023 |
| Caps6: | 5 |
| Goals6: | 1 |
| Years7: | 2023 |
| Years8: | 2023– |
| Nationalyears1: | 2016– |
| Nationalteam1: | Rwanda |
| Nationalcaps1: | 39 |
| Nationalgoals1: | 4 |
| Pcupdate: | 26 June 2022 |
| Ntupdate: | 29 March 2023 |
Thierry Manzi (born 12 July 1996) is a Rwandan professional footballer who plays as a defender for Libyan club Al Ahli Tripoli and the Rwanda national team.