| Name | Type | Language | Counties |
|---|---|---|---|
| Lorena Cortes Gonzalez | Standardized | English, Spanish | Morrow, Multnomah, Umatilla |
| Andrea Kay Cortese | Community | English | Clackamas, Hood River, Lane, Marion, Multnomah, Wasco, Washington |
| APRIL COTE | Community | English | Clackamas, Multnomah |
| Rochelle Alene Coulombe | Master | English | Clatsop, Columbia, Tillamook |
| CATHERINE COWLES | Not given | English | Lane |
| CATHERINE CRAFT | Standardized | English | Multnomah, Washington |
| KRISTEN B. CRAKES | Standardized | English | Deschutes |
| LINDA MARIE CRAVEN | Master | English | All |
| DAWN CRAWFORD | Master | English | All |
| Janis Irene Crawford | Specialty Master | English | All |