What is "cfmx"

CFMX may refer to:

• CFMZ-FM, a radio station in Cobourg, ON that carried the CFMX-FM call letters until September 2006. The station's Toronto, ON rebroadcaster continues to carry the callsign CFMX-FM-2.
• CKFM-FM, a radio station in Toronto, ON that briefly used the CFMX call letters between June 2007 and August 2007.