KGRR (97.3 FM) is a radio station broadcasting an active rock format to the Dubuque, Iowa, United States, area.

The station is licensed to Radio Dubuque, Inc.[2] Its transmitter is located alongside U.S. Highway 20 between Dubuque and Peosta on top of the U.S. 20 Bluff.

[3] KGRR was used as the radio station call letters in an episode of 'The Twilight Zone' Nightsong (TV episode 1986 #2.6).

The frequency on the show was 96.3 FM and it was located somewhere in California.

This article about a radio station in Iowa is a stub.