| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 2 | YIHYUN (Maggie) MAGGIE CHANG | Specialty Master | English, Chinese | Multnomah, Washington |
| 2 | Mae Leann Chao | Master | English, Other | Multnomah |
| 1 | LIANE ALANE CHAPPELL | Master | English | Clackamas, Clatsop, Columbia, Multnomah, Tillamook, Washington |
| 0 | Ambreen Chaudhary | Master | English | Marion, Polk, Washington, Yamhill |
| 15 | Minaz Chauthani | Master | English | All |
| 4 | JENNY ANN CHAVEZ | Master | English | Benton, Lincoln, Linn |
| 4 | MARICRUZ CHAVEZ REYES | Master | English, Spanish | All |
| 1 | Ya-Fang Cheng | Master | English, Chinese, Other | Clackamas, Marion, Polk |
| 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 |
| 2 | 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 |
| 0 | KRISTIN RENE CHURCH | Standardized | English | |
| 0 | MARGIE A. CICERRELLA | Standardized | English | Jackson |