KWSW (980 AM) is a radio station licensed to Eureka, California, United States.

The station airs an adult contemporary format (with a few adult standards formatted songs being added) and serves the Eureka area.

The station is currently owned by Eureka Broadcasting, Inc.[5] The station began broadcasting on January 26, 1947, and held the call sign KHUM.

[8][9][10][11] In 2011, the station's call sign was changed to KWSW.

[3] It adopted a soft AC format branded "EZ Radio" on July 1, 2017.