| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Michael (Michael) Ames Connor | Master | English | All |
| 0 | CLAUDIA CONTRERAS-PETERS | Master | English, Spanish | All |
| 0 | VELVET COOLEY | Master | English | Clackamas, Multnomah, Tillamook, Washington |
| 1 | Chelsea Rene Coots | Master | English | Marion, Polk, Yamhill |
| 0 | Jacquelyn Kae Cordero | Community | English | Coos, Curry, Jackson, Josephine, Klamath |
| 0 | APRIL K CORIL | Master | English | Clackamas, Marion, Multnomah, Washington |
| 8 | Jennifer Michelle Cork | Master | English | Benton, Clatsop, Columbia, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Washington, Yamhill |
| 1 | Estonia Latavia Cornett | Master | English | Clackamas, Multnomah, Washington |
| 0 | Lorena Cortes Gonzalez | Standardized | English, Spanish | Morrow, Multnomah, Umatilla |
| 3 | LINDA MARIE CRAVEN | Master | English | All |