| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Michael (Michael) Ames Connor | Master | English | All |
| 18 | JOANN M. CONTINI | Master | English | All |
| 0 | JOAQUINA CONTRERAS | Standardized | English, Spanish | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| 0 | CLAUDIA CONTRERAS-PETERS | Master | English, Spanish | All |
| 0 | JEANNINE COOK | Not given | English | Linn |
| 0 | MERRILEE COOLEY | Standardized | English | Columbia |
| 0 | VELVET COOLEY | Master | English | Clackamas, Multnomah, Tillamook, Washington |
| 0 | CHRISTOPHER COOPER | Standardized | English, Spanish | Morrow, Umatilla |
| 0 | PATTY COOPER | Standardized | English | Clackamas, Multnomah, Washington, Yamhill |
| 0 | Shannon Shawn Cooper | Standardized | English | Lane |