| KUSD | |
| City: | Vermillion, South Dakota |
| Branding: | South Dakota Public Radio |
| Former Callsigns: | KUSD-FM (1967–1994) |
| Frequency: | 89.7 MHz |
| Erp: | 32,000 watts |
| Haat: | 202 meters |
| Class: | C1 |
| Facility Id: | 58426 |
| Callsign Meaning: | University of South Dakota (location of studios) |
| Format: | Public Radio |
| Owner: | South Dakota Public Broadcasting |
| Webcast: | Listen Live |
| Website: | www.sdpb.org |
| Licensing Authority: | FCC |
KUSD is an FM radio station in Vermillion, South Dakota, USA. It is the flagship station of the South Dakota Public Broadcasting radio network.