CFOU-FM (89.1 FM) is a French language radio station that broadcasts in Trois-Rivières, Quebec, Canada. It is the campus radio station of the Université du Québec àTrois-Rivières.
CFOU-FM was licensed by the Canadian Radio-television and Telecommunications Commission in 1997, and originally operated with a transmitter power of 250 watts.
In 2006, the station received CRTC approval to increase its effective radiated power to 3,000 watts.