| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | LEAH RUTH KNOKE | Community | English | Crook, Deschutes, Jefferson |
| 0 | SAMANTHA KNOUSE | Community | English | All |
| 0 | Carol Knowles | Not given | English | Deschutes |
| 0 | IRINA GENNADYEVNA KNOWLES | Standardized | All | |
| 11 | Lena Colleen Ko | Master | English | All |
| 1 | Angela C Koehler | Master | English | Clackamas |
| 0 | BRENDA ELIZABETH KOEHLER | Master | English | Clackamas, Multnomah |
| 14 | PATSY KOHOUT | Master | English | All |
| 0 | LISA KOPETSKI | Not given | English | Umatilla |
| 6 | ERIN KOST | Master | English | All |