KUJ may refer to:
- KUJ-FM, a radio station (99.1 FM) licensed to Burbank, Washington, United States
- KUJ (AM), a radio station (1420 AM) licensed to Walla Walla, Washington, United States
KUJ (1420 AM) is a radio station licensed to Walla Walla, Washington, USA. The station is currently owned by Alexandra Communications. It features a news/talk format. The station has obtained a construction permit from the FCC for a power increase to 10,000 watts during the day.