| KASB | |
| City: | Bellevue, Washington |
| Area: | Seattle metropolitan area |
| Frequency: | 89.9 MHz FM |
| Format: | Freeform |
| Erp: | 60 watts |
| Haat: | 10 meters |
| Class: | D |
| Facility Id: | 4631 |
| Owner: | Bellevue School District #405 |
| Website: | www.kasbfm.com |
| Licensing Authority: | FCC |
KASB (89.9 FM) is a high school radio station broadcasting a Freeform radio format and provides high school student oriented music and news. Licensed to Bellevue, Washington, United States, it serves the Bellevue area. The station is currently owned by Bellevue School District #405.