Coordinates: 40°15′14.00″N 80°50′35.00″W / 40.2538889°N 80.8430556°W
WCDK (106.3 FM) is a radio station licensed to Cadiz, Ohio, USA, the station serves the Steubenville, Ohio and Wheeling, West Virginia, area. The station is currently owned by Priority Communications Ohio, LLC. WCDK broadcasts a classic hits music radio format.
WCDK is the flagship station for Steubenville High School football.
The station went on the air as WFNN on 1990-08-17. On 1990-10-08, the station changed its call sign to WWYS. On 1993-09-01 to the current WCDK,