| KOAC-FM | |
| City: | Astoria, Oregon |
| Country: | US |
| Frequency: | 89.7 MHz |
| Airdate: | (as KZNX) |
| Format: | Public radio |
| Erp: | 180 watts |
| Haat: | 321m (1,053feet) |
| Class: | A |
| Facility Id: | 81807 |
| Coordinates: | 46.2624°N -123.8869°W |
| Callsign Meaning: | taken from KOAC (AM), originally owned by Oregon Agricultural College |
| Licensing Authority: | FCC |
| Affiliations: | NPR |
| Owner: | Oregon Public Broadcasting |
| Website: | opb.org |
KOAC-FM (89.7 FM) is a radio station licensed to Astoria, Oregon, United States. The station is owned by Oregon Public Broadcasting, and airs OPB's news and talk programming, consisting of syndicated programming from NPR, American Public Media and Public Radio Exchange, as well as locally produced offerings.
See main article: Oregon Public Broadcasting.