| Mario Pini | |
| Fullname: | Mario Rolando Pini Stagi |
| Birth Date: | 25 October 1938 |
| Birth Place: | Fray Bentos, Uruguay |
| Height: | 1.80m |
| Position: | Defender |
| Clubs1: | Montevideo Wanderers |
| Years2: | 1962–1965 |
| Clubs2: | Real Valladolid |
| Caps2: | 76 |
| Goals2: | 2 |
| Years3: | 1965–1967 |
| Clubs3: | Mallorca |
| Caps3: | 44 |
| Goals3: | 0 |
| Years4: | 1967–1973 |
| Clubs4: | Sabadell |
| Caps4: | 154 |
| Goals4: | 1 |
| Totalcaps: | 275 |
| Totalgoals: | 3 |
Mario Rolando Pini Stagi (15 October 1938 – 17 April 2021) was an Uruguayan professional footballer who played as a defender.
Born in Fray Bentos, Pini began his career with Montevideo Wanderers,[1] and later played in Spain for Real Valladolid, Mallorca and Sabadell.[2] [3]