Mattia Costantini is a 37-year-old professional football player from ITA. He currently plays for Fiorentino, wearing the number 23 shirt. He plays primarily as a Defender. His current market value is estimated at 10K €.

His most recent move was a from Murata to Fiorentino on 2023-07-01.

Throughout the San Marino Campionato di Calcio 2025-2026, Mattia Costantini featured in 18 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.