| Clubname: | Boston River |
| Fullname: | Club Atlético Boston River |
| Nickname: | El Boston Verdirrojo El sastre |
| Ground: | Estadio Parque Artigas Las Piedras, Uruguay |
| Capacity: | 12,000 |
| Chairman: | Sergio Pérez Lauro |
| Coach: | Jadson Viera |
| League: | Primera División |
| Season: | 2023 |
| Position: | Primera División, 13th of 16 |
| Website: | https://www.instagram.com/bostonriver_oficial/ |
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Club Atlético Boston River, simply known as Boston River, is a Uruguayan sports club located in Montevideo. Founded on 20 February 1939, their main focus is on football, currently playing in the Uruguayan Primera División. At the futsal league of AUF, Boston River compete in the first division.
The club is named after a tailor shop owned by its founder, called "Sastrería Boston", and Argentine side River Plate.