| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Kristen Naylor Calderon | Standardized | English | Multnomah |
| 1 | Caitlin Denise Calip | Master | English | Marion, Polk, Yamhill |
| 22 | SHIRLEY ADELL CALONDER | Master | English | All |
| 6 | BERTHA AURORA CAMACHO | Community | English, Spanish | Marion, Polk, Yamhill |
| 0 | MARIA ANTONIA CAMARENA | Community | Spanish | |
| 0 | KETERINNE KARLA CAMEY RAQUEC | Master | English, Spanish | Marion, Polk, Yamhill |
| 6 | CHERRY MARIE CAMONAYAN | Master | English | All |
| 0 | CRYSTAL CAMPBELL | Master | English | Marion, Polk, Yamhill |
| 0 | DANA A. CAMPBELL | Standardized | English | All |
| 1 | Heather Regina Campbell | Community | English | Malheur |
| 0 | Helen Kay Campbell | Master | English | All |
| 0 | PATRICIA ELAINE CAMPBELL | Standardized | English | Marion, Polk |
| 1 | SUZANNA CAMPBELL | Master | English | Multnomah |
| 0 | ADRIANA HOLGUIN CANAS | Standardized | English | Washington |
| 2 | CYNTHIA LOUISE CANEPA | Master | English | All |
| 0 | EMILY CANIBANO | Master | English | Clackamas, Columbia, Hood River, Multnomah, Washington |
| 0 | Anita Carabantes Arreola | Master | Spanish | Clackamas, Hood River, Multnomah |
| 212 | Elizabeth Anne Caravaca | Master | English | Clackamas, Hood River, Lane, Lincoln, Marion, Multnomah, Polk, Washington |
| 0 | KAREN SUE CARLISLE | Standardized | English | |
| 0 | ANNE CHARLOTTE CARLSON | Standardized | English | Clackamas, Multnomah, Washington, Yamhill |