| Name | Type | Language | Counties |
|---|---|---|---|
| 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 |
| 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 |
| SUSAN MARIE KRAEMER | Community | English | All |
| Susan Dian Kramer | Community | English | Lincoln, Linn, Marion, Polk, Tillamook, Yamhill |
| BreAnna Rashawn Krawczyk | Community | English | Josephine |
| KAREN JO KREITZER | Master | English | Clackamas, Marion |
| SUSY IVONNE KRISTIN | Community | Spanish | Clackamas, Columbia, Grant, Hood River, Jackson, Klamath, Lake, Marion, Multnomah, Tillamook, Wasco, Yamhill |