KBSU (90.3 FM) is a radio station licensed to Boise, Idaho.

The station is owned by Boise State University, and is the flagship affiliate of Boise State Public Radio's "Music" network.

The station airs classical music and other entertainment programming from American Public Media and Public Radio International.

[2] KBSU's programming is repeated on KBSM in McCall, Idaho.

This article about a radio station in Idaho is a stub.