KNBU (89.7 FM; "The Edge") was a non-profit educational radio station licensed to Baldwin City, Kansas, United States. The station was owned and operated by Baker University. KNBU signed on November 29, 1965. On April 20, 2017, Baker University informed the Federal Communications Commission (FCC) that it would surrender the KNBU license effective May 15; on April 28, the FCC canceled the station's license.