| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Anna Marin Cole | Standardized | English | Coos, Curry |
| 0 | SHARON JOYCE COLE | Standardized | English | Tillamook |
| 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 |
| 0 | Lori Colvin | Master | English | Crook, Deschutes, Jefferson, Klamath, Lake |
| 0 | DIGNA ALCANTARA COLWELL | Standardized | Douglas | |
| 0 | Mary Isabel Conde-Rivera | Standardized | English, Spanish | Multnomah |