| WRKU | |
| City: | Forestville, Wisconsin |
| Country: | US |
| Area: | Sturgeon Bay, Wisconsin |
| Branding: | U102.1 |
| Frequency: | 102.1 MHz |
| Format: | Hot adult contemporary |
| Erp: | 2,600 watts |
| Haat: | 152m (499feet) |
| Class: | A |
| Facility Id: | 85794 |
| Coordinates: | 44.7072°N -87.4072°W |
| Owner: | Bryan Mazur |
| Licensee: | Mazur, LLC |
| Sister Stations: | WBDK, WRLU, WSBW |
| Licensing Authority: | FCC |
WRKU (102.1 FM, "U102.1") is a radio station broadcasting a hot adult contemporary format. Licensed to Forestville, Wisconsin, United States, the station serves Door and Kewaunee counties.[1] The station is currently owned by Bryan Mazur, through licensee Mazur, LLC.[2]
In September 2021, WRKU rebranded as "U102.1".[3]