CKCK 94.5 Jack FM is a radio station in Regina, Saskatchewan, owned by Rawlco Communications. It broadcasts an adult hits format branded as "Jack 94.5". The station launched on 94.5 FM in August 2002 as "Rock 94" with a classic rock format. On July 29, 2005, it rebranded to Jack FM, becoming the first non-Rogers station in Canada to directly license the Jack FM brand.

Jack 94.5 plays a variety of hits from the 1960s to today, following the "Playing What We Want" slogan typical of Jack FM stations. Its programming includes local shows like the morning show with Sheri & Woody and the afternoon drive with Derek. The station aims to provide Regina listeners with a mix of classic hits and current popular music across multiple decades and genres.