| Clubname: | Borgo a Buggiano |
| Fullname: | Unione Sportiva Borgo a Buggiano 1920 |
| Nickname: | Guerrieri azzurri (Warriors light blue) |
| Founded: | 1920 |
| Ground: | Stadio Alberto Benedetti, Borgo a Buggiano, Italy |
| Capacity: | 1,000 |
| Chairman: | Luciano Arabelli |
| Manager: | Luca Biagi |
| League: | Terza Categoria |
| Season: | 2012–13 |
| Position: | Lega Pro Seconda Divisione B, 9th |
| Leftarm1: | 0000FF |
| Body1: | 0000FF |
| Rightarm1: | 0000FF |
| Shorts1: | 0000FF |
| Socks1: | 0000FF |
| Pattern La2: | _blueshoulders |
| Pattern B2: | _blueshoulders |
| Pattern Ra2: | _blueshoulders |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFF |
| Socks2: | FFFFFF |
Unione Sportiva Borgo a Buggiano 1920 is an Italian football club based in Borgo a Buggiano, a frazione of Buggiano, Tuscany.
The club was founded in 1920.
Borgo a Buggiano won group D of the 2010-11 Serie D season and was promoted to Lega Pro Seconda Divisione for the first time.
At the end of the 2012–13 Lega Pro Seconda Divisione season, the club finished at ninth place in Group B, but they later renounced voluntarily from competing in the next season. As a result, they went out of business. But they later reformed and joined the 2013–14 Terza Categoria season.
The team's colour is light blue.