| Thomas Lavault | |
| Birth Date: | 3 May 1999 |
| Birth Place: | Thouars, France |
| Height: | 1.990NaN0 |
| Weight: | 1080NaN0 |
| Position: | Lock |
| Currentclub: | La Rochelle |
| Years1: | 2019– |
| Clubs1: | La Rochelle |
| Apps1: | 88 |
| Points1: | 15 |
| Repyears1: | 2018–2019 |
| Repteam1: | France U20 |
| Repcaps1: | 12 |
| Reppoints1: | 5 |
| Repyears2: | 2022– |
| Repteam2: | France |
| Repcaps2: | 2 |
| Reppoints2: | 0 |
| Clubupdate: | 10 June 2023 |
| Repupdate: | 18 March 2023 |
Thomas Lavault (born 3 May 1999) is a French professional rugby union player who plays as a lock for Top 14 club La Rochelle and the France national team.[1]