Mario Pieri
| Mario Pieri | |
|---|---|
| Born | 22 June 1860 Lucca, Italy | 
| Died | 1 March 1913 (aged 52) Sant'Andrea di Compito, Tuscany, Italy | 
| Nationality | Italian | 
| Scientific career | |
| Fields | Mathematics | 
Mario Pieri (22 June 1860 – 1 March 1913) was an Italian mathematician who is known for his work on foundations of geometry.