| Simone Mattia | |
| Birth Date: | 19 January 1996 |
| Birth Place: | Marino, Italy |
| Height: | 1.75 m |
| Position: | Midfielder |
| Currentclub: | Flaminia |
| Youthyears1: | 2014–2016 |
| Youthclubs1: | Lazio |
| Years1: | 2016–2018 |
| Clubs1: | Sambenedettese |
| Caps1: | 24 |
| Goals1: | 1 |
| Years3: | 2018–2019 |
| Clubs3: | Rieti |
| Caps3: | 15 |
| Goals3: | 0 |
| Years4: | 2019–2021 |
| Clubs4: | Paganese |
| Caps4: | 52 |
| Goals4: | 2 |
| Years5: | 2022 |
| Clubs5: | Cannara |
| Caps5: | 3 |
| Goals5: | 0 |
| Years6: | 2022– |
| Clubs6: | Flaminia |
| Caps6: | 45 |
| Goals6: | 2 |
| Pcupdate: | 20 December 2023 |
Simone Mattia (born 19 January 1996) is an Italian professional footballer who plays as a midfielder for Serie D club Flaminia.[1]