Kahu or KAHU may refer to:
KAHU is a Hawaii Public Radio station on 91.7 MHz FM. It is licensed to Pahala, Hawaii, on the island of Hawaiʻi.
KAHU started broadcasting as a community radio station on June 28, 2010. The station later experienced financial trouble and was sold to Hawaii Public Radio on August 5, 2013. It began broadcasting again on November 6, 2013, airing Hawaii Public Radio's HPR-2 programming.
KAHU currently has a construction permit to move its antenna to a higher location, increase its power, and change frequency to 91.3 MHz.