| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | PAULINE SUE CARLSON | Not given | English | Multnomah |
| 1 | JESSIE DAWN CARPENTER | Master | English | All |
| 0 | KAYE A. CARPENTER | Not given | English | Jackson |
| 0 | MILAGROS CARRANZA | Standardized | Clackamas, Columbia, Marion, Multnomah, Washington, Yamhill | |
| 1 | Diana Carrillo | Master | English, Spanish | Baker, Benton, Deschutes, Jefferson, Linn, Malheur, Marion, Yamhill |
| 0 | Barbara Kelly Carter | Specialty Master | English | Curry, Douglas, Jackson, Josephine, Klamath, Lane |
| 0 | ADELA CARTNEGA | Standardized | English | Multnomah |
| 0 | GEORGE C CARTNER | Master | English | All |
| 0 | PATRICIA MAY CARTY | Standardized | English | Jackson, Josephine, Klamath, Lake |
| 0 | STACEY CASELLA | Master | English | All |
| 0 | MARIELA CASTELLANOS | Community | English, Spanish | Lane |
| 0 | VIOLETA LOURDES CASTILLO | Community | English, Spanish | Multnomah, Washington |
| 0 | MERCEDES PAINE CASTLE | Master | English | All |
| 0 | PHYLLIS CASTLE | Master | English | Clatsop, Columbia, Tillamook |
| 1 | JULIE CATT | Master | English | Clatsop, Columbia, Tillamook |
| 3 | PATRICIA CAVANAUGH | Master | English | All |
| 0 | Kaltun Muse Caynan | Community | English, Somali | Multnomah, Washington |
| 1 | LESLIE CELESTIN | Master | English | Clackamas, Columbia, Hood River, Multnomah, Washington |
| 0 | Laurissa B Cervantes | Community | English | Hood River |
| 0 | CLAUDIA CERVANTES LOPEZ | Community | Spanish | Deschutes, Douglas, Jackson, Jefferson, Josephine, Klamath |