| Marius Simionescu | |
| Fullname: | Marius Mihai Simionescu |
| Birth Date: | 5 September 1997 |
| Birth Place: | Erbiceni, Romania |
| Weight: | 84kg (185lb) |
| Position: | Fullback |
| Currentclub: | Timișoara Saracens |
| Youthyears1: | ?–2014 |
| Youthclubs1: | CSS Unirea Iași |
| Youthyears2: | 2014–2016 |
| Youthclubs2: | Timișoara Saracens |
| Years1: | 2016– |
| Clubs1: | Timișoara Saracens |
| Apps1: | 13 |
| Points1: | 20 |
| Repyears1: | 2017– |
| Repteam1: | Romania |
| Repcaps1: | 6 |
| Reppoints1: | 0 |
| Clubupdate: | 10 March 2018 |
| Repupdate: | 10 March 2018 |
Marius Simionescu (born 5 September 1997) is a Romanian rugby union football player. He plays as a fullback for professional SuperLiga club, Timișoara Saracens.[1] He also plays for Romania's national team, the Oaks, making his international debut at the 2017 mid-year rugby union internationals in a match against the Canadian Canucks.[2]
Before joining Timișoara Saracens' youth team, Simionescu played for CSS Unirea Iași.