| Leonidas Rossi | |
| Birth Date: | 19 April 1999 |
| Birth Place: | Sarandë, Albania |
| Height: | 1.83 m |
| Currentclub: | Athens Kallithea FC |
| Clubnumber: | 3 |
| Position: | Left-back |
| Youthyears1: | –2016 |
| Youthclubs1: | Ifestos Peristeri |
| Youthyears2: | 2016–2017 |
| Youthclubs2: | Apollon Smyrnis |
| Years1: | 2017–2018 |
| Clubs1: | Pefki |
| Years2: | 2018–2021 |
| Clubs2: | Apollon Smyrnis |
| Caps2: | 20 |
| Goals2: | 0 |
| Years3: | 2021– |
| Clubs3: | Athens Kallithea FC |
| Caps3: | 28 |
| Goals3: | 0 |
| Nationalyears1: | 2019 |
| Nationalteam1: | Greece U21 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Pcupdate: | 16 June 2023 |
| Ntupdate: | 26 March 2019 |
Leonidas Rossi (el|Λεωνίδας Ρώσση; born 19 April 1999) is a Greek professional footballer who plays as a left-back for Super League 2 club Athens Kallithea FC.
Rossi began his career with Apollon Smyrnis, making a total of 16 appearances in Super League 1 and two appearances in Super League 2 across three seasons, plus two appearances with the Greece Under-21 national team during that time.
In September 2021, Rossi joined Athens Kallithea FC.[1]