| Clubname: | Castellettese |
| Fullname: | Associazione Calcio Castellettese |
| Nickname: | – |
| Founded: | 1943 |
| Capacity: | 1,000 |
| League: | Eccellenza Piedmont – A |
| Season: | 2006–07 |
| Position: | Serie D/A, 18th |
| Pattern B1: | _blueshoulders |
| Leftarm1: | FFFFFF |
| Body1: | FFFFFF |
| Rightarm1: | FFFFFF |
| Shorts1: | FFFFFF |
| Socks1: | FFFFFF |
| Pattern B2: | _unknown |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFFF |
| Socks2: | FFFFFF |
Associazione Calcio Castellettese is an Italian association football club located in Castelletto sopra Ticino, Piedmont. It currently plays in Group A of the Eccellenza Piedmont, after having been directly relegated from Serie D in 2006/07. Its colors are white and blue.