| Gianfranco Leoncini | |
| Fullname: | Gianfranco Leoncini |
| Birth Date: | 25 September 1939 |
| Birth Place: | Rome, Italy |
| Death Place: | Chivasso, Italy |
| Position: | Midfielder |
| Years1: | 1958–1970 |
| Clubs1: | Juventus |
| Caps1: | 289 |
| Goals1: | 21 |
| Years2: | 1970–1972 |
| Clubs2: | Atalanta |
| Caps2: | 65 |
| Goals2: | 0 |
| Years3: | 1972–1973 |
| Clubs3: | Mantova |
| Caps3: | 28 |
| Goals3: | 0 |
| Years4: | 1973–1974 |
| Clubs4: | Atalanta |
| Caps4: | 29 |
| Goals4: | 0 |
| Totalcaps: | 411 |
| Totalgoals: | 21 |
| Nationalyears1: | 1966 |
| Nationalteam1: | Italy |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1975–1976 |
| Managerclubs1: | Atalanta |
Gianfranco Leoncini (pronounced as /it/; 25 September 1939 – 5 April 2019)[1] was an Italian footballer who played as a midfielder.
During his club career, Leoncini played for Juventus, Atalanta and Mantova. He won three Serie A titles with Juventus.[2] [3]
At international level, Leoncini earned 2 caps for the Italy national football team in 1966, and participated in the 1966 FIFA World Cup.[3] [4]
1958–59, 1959–60, 1964–65