KLYV (105.3 FM) is a radio station broadcasting a top 40 (CHR) format branded as Y105, serving the Dubuque, Iowa, United States, area.

The station first went under the formats of MOR in the 1970s, and beautiful music beginning in 1980.

On August 30, 2013, a deal was announced in which Cumulus Media would swap its stations in Dubuque (including KLYV) and Poughkeepsie, New York, to Townsquare Media in exchange for Peak Broadcasting's stations in Fresno, California.

The deal was part of Cumulus' acquisition of Dial Global; Townsquare, Peak, and Dial Global were all controlled by Oaktree Capital Management.

[5] As of March 2022, the flagship program is the morning show, hosted by Steve Pulaski, which airs from 6 - 10 am weekdays.