Binn ( Walser German: Bìi) is a municipality in the district of Goms in the canton of Valais in Switzerland.
The Binn valley is known for its rich mineral deposits, some types of which are unique to the area. The notable Lengenbach Quarry is in Binn.
Binn is a computer data serialization format used mainly for application data transfer. It stores primitive data types and data structures in a binary form.