Leonidas Rossi (; ; 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.