| Name | Type | Language | Counties |
|---|---|---|---|
| ERIN KOST | Master | English | All |
| KAREN JOAN KRAEMER | Community | English | Clackamas, Clatsop, Hood River, Multnomah, Washington |
| 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 |
| KIMBERLY KURIN | Community | English | Clackamas, Multnomah, Washington |
| MARSHA DENISE LA VERNE | Master | English | All |
| CAROL LAGANO MCMURDIE | Master | English | All |
| Chad Michael Lahr | Master | English | All |
| DEBORAH E LAIMON | Master | English | All |
| Maria Lorraine Lyn Laine | Master | English | Linn, Marion, Polk, Yamhill |
| Suzanne (Becky) Rebecca Lamoureux | Specialty Community | English | Lane |
| SHANDELL LANDON | Master | English | Crook, Deschutes, Jefferson |
| ALEXANDRA KALANI LANE | Master | English | All |
| Jessica BETH LANGSAM | Master | English | All |
| CATHERINE (Katie) ANN LARIVE | Standardized | English | Jackson |
| Leilani Grace Larsen | Master | English | All |
| AMY M LARSON | Community | English | Jackson, Josephine |
| KIMBERLY LARSON | Master | English | Clackamas, Hood River, Multnomah, Washington |
| Darby Jean Lasley | Master | English | All |