| Name | Type | Language | Counties |
|---|---|---|---|
| Carol Knowles | Not given | English | Deschutes |
| IRINA GENNADYEVNA KNOWLES | Standardized | All | |
| Lena Colleen Ko | Master | English | All |
| Angela C Koehler | Master | English | Clackamas |
| BRENDA ELIZABETH KOEHLER | Master | English | Clackamas, Multnomah |
| PATSY KOHOUT | Master | English | All |
| LISA KOPETSKI | Not given | English | Umatilla |
| ERIN KOST | Master | English | All |
| Heather Koukel | Community | English | Washington |
| KAREN JOAN KRAEMER | Community | English | Clackamas, Clatsop, Hood River, Multnomah, Washington |