| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Tamara Dawn Clark | Master | English | Benton, Clackamas, Douglas, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Washington, Yamhill |
| 1 | MOLLY CLEMENT | Master | English | Jackson, Josephine |
| 0 | Kendra Janine Coates | Master | English | All |
| 0 | ANDREA COFFEE | Community | English | Lane |
| 0 | TONYA COKER | Master | English | All |
| 0 | BRANDY COLEMAN | Master | English | All |
| 3 | PILAR ELENA COLLAZO | Master | English, Spanish | Clackamas, Hood River, Multnomah, Washington |
| 3 | MELINDA ROSE COLLIER | Master | English | Klamath, Lake |
| 0 | Andrea Maria Collins | Master | English | Grant, Morrow, Umatilla, Union |
| 0 | EMILY SUSAN COLLINS | Standardized | English | All |