CISN-FM (103.9 MHz, 103.9 CISN Country) is a radio station that broadcasts from Edmonton, Alberta, Canada.

It is owned by Corus Entertainment, which also operates CHED, CHQT and CKNG-FM.

The station has a country format, playing both current hits and past favourites.

As of 28 February 2021, CISN is the 7th-most-listened-to radio station in the Edmonton market according to a PPM data report released by Numeris.

[2] CISN also operates on a number of low-power FM transmitters in some areas of Canada.