KSEN (1150 AM) is a radio station licensed to serve Shelby, Montana.

[2] The station's studios are at 830 Oilfield Avenue in Shelby, along with KZIN-FM.

[4] It was assigned the KSEN call letters by the Federal Communications Commission[5] on May 27, 1959.

[4] In February 2008, Colorado-based GAPWEST Broadcasting completed the acquisition of 57 radio stations in 13 markets in the Pacific Northwest-Rocky Mountain region from Clear Channel Communications.

Other stations in the deal are located in Casper and Cheyenne, Wyoming, plus Pocatello and Twin Falls, Idaho, and Yakima, Washington.