| Gregory Marmoiton | |
| Birth Name: | Gregory Marmoiton |
| Birth Date: | 13 September 1990 |
| Height: | 1.86m (06.1feet) |
| Weight: | 118kg (260lb) |
| Ru Position: | Prop |
| Clubs1: | Castres olympique |
| Apps1: | 7 |
| Points1: | 0 |
| Years1: | 2011-2015 |
| Clubs2: | ROC La Voulte-Valence |
| Years2: | 2015-2016 |
| Clubs3: | Stade Rodez Aveyron |
| Years3: | 2016-2019 |
| Clubs4: | Stado Tarbes PR |
| Years4: | 2019-2020 |
| Years5: | 2020- |
| Ru Clubupdate: | 20 January 2023 |
Gregory Marmoiton is a French professional rugby union player. He plays at prop for Castres in the Top 14.[1]