| KGRR | |
| City: | Epworth, Iowa |
| Country: | US |
| Area: | Dubuque, Iowa |
| Branding: | 97.3 The Rock |
| Frequency: | 97.3 MHz |
| Format: | Active rock |
| Erp: | 25,000 watts |
| Haat: | 100m (300feet) |
| Class: | C3 |
| Facility Id: | 26898 |
| Licensing Authority: | FCC |
| Callsign Meaning: | "Great Rock 'n Roll" |
| Affiliations: | Compass Media Networks |
| Owner: | Radio Dubuque, Inc. |
| Sister Stations: | KDTH, KATF, WVRE |
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.[1] Its transmitter is located alongside U.S. Highway 20 between Dubuque and Peosta on top of the U.S. 20 Bluff.[2] 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 93.3 FM and it was located somewhere in California.
On March 1, 2010, KGRR shifted from a classic rock format to a mainstream rock format as "97.3 The Rock".