Mattia Giardi
Midfielder · Folgore
- Nationality
- San Marino
- Born
- 1991-12-15
- Birthplace
- , San Marino
Mattia Giardi (born 15 December 1991) is a Sammarinese footballer who plays as a defender for Folgore and the San Marino national team. Giardi made his international debut for San Marino on 8 September 2018, starting in the 2018–19 UEFA Nations League D match against Belarus, which finished as a 0–5 away loss.