| Lennon Greggains | |
| Birth Name: | Lennon Greggains |
| Birth Date: | 1999 1, df=yes |
| Birth Place: | Newport, Wales |
| Height: | 187cm (74inches) |
| Weight: | 96kg (212lb) |
| School: | Newport High School |
| Ru Currentteam: | Dragons |
| Ru Position: | Blindside Flanker No.8 |
| Youthyears1: | |
| Years1: | 2017- |
| Clubs1: | Dragons |
| Apps1: | 2 |
| Points1: | 0 |
| Ru Clubupdate: | 16:05, 12 July 2018 (UTC) |
| Superyears1: | |
| Repyears1: | |
| Ru Sevensnationalyears1: | |
Lennon Greggains (born 20 January 1999) is a Welsh rugby union player who plays for the Dragons as a flanker.
Greggains made his debut for the Dragons in 2017[1] having previously played for the Dragons academy, Cross Keys RFC and Newport RFC.