| Name | Type | Language | Counties |
|---|---|---|---|
| HOLLY MARIE KING | Master | English | All |
| CHAR M. KINGSBURY | Standardized | English | All |
| Cary Kinkead | Standardized | English, Spanish | Deschutes, Douglas, Jackson, Josephine, Klamath, Lake |
| HEATHER KINLIN | Master | English | Multnomah |
| Kristina Lynn Kirinch | Master | English | All |
| Linda Marie Kirk | Standardized | English | All |
| Tanya Michelle Kirk | Master | English | Marion, Polk, Yamhill |
| BERNADINE RUTH KIRKPATRICK | Master | English, Spanish | |
| JENNIFER LEA KIRKSEY | Master | English | Multnomah |
| KATIE KISSINGER | Master | English | All |
| SYLVIA LEEANN KITTERMAN | Master | English | All |
| JACQUI KLEEMAN | Standardized | English | Union |
| Holly Victoria Klein | Master | English | All |
| JUDY KLING | Not given | English | Washington |
| MCKENZIE BLUE KLUG | Standardized | English | Douglas, Jackson, Josephine, Lane |
| JENNIFER KNAPP BEUDERT | Standardized | English | Linn |
| Katherine Jean Kneupper | Standardized | English | Clackamas, Columbia, Hood River, Multnomah, Washington |
| CYPRESS KNIGHT | English | Hood River | |
| LEAH RUTH KNOKE | Community | English | Crook, Deschutes, Jefferson |
| SAMANTHA KNOUSE | Master | English | All |