CKYK-FM, known as 95.7 KYK Radio X, is a French-language radio station broadcasting from Saguenay, Quebec, Canada. The station's official city of license is Alma, but its studios are located in Saguenay. Owned and operated by Cogeco Media, it broadcasts on 95.7 MHz with a powerful 100,000-watt signal.

Launched in 1993, KYK Radio X features an active rock format combined with talk radio programming. The station is part of the Radio X network, which focuses on rock music and provocative talk shows.

KYK Radio X's programming includes popular morning and afternoon drive shows, as well as rock music throughout the day. Some of its well-known hosts include Dominick Fortin, Martin-Thomas Côté, and Richard Courchesne.

The station has undergone several changes over the years, including frequency and ownership changes. It moved to its current 95.7 MHz frequency in 2000 and was acquired by Cogeco Media in 2018 as part of a larger purchase of RNC Media stations.