| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | OLGA VLADIMIROVNA CHEREVATENKO | Specialty Master | English, Russian | All |
| 5 | WYN CHEUNG | Master | English, Chinese | Clackamas, Hood River, Multnomah, Washington |
| 0 | MICHALA CHITWOOD | Not given | English | Deschutes |
| 1 | Jamie Cho | Master | English, Chinese, Other | All |
| 0 | JENNIFER CHOBAN | Standardized | English | Washington |
| 0 | KATHRYN ANN CHRISTENSEN | Standardized | English | Clackamas, Lincoln, Multnomah, Tillamook, Washington |
| 0 | David Alan Christiansen | Specialty Community | English | All |
| 1 | ELEANOR CHRISTOPHER | Master | English | Clackamas, Multnomah |
| 0 | NATALIYA V CHUBAROVA | Master | English, Russian | All |
| 0 | BONNIE RUTH CHURCH | Standardized | English | Klamath |