| Name | Type | Language | Counties |
|---|---|---|---|
| KRISTIN RENE CHURCH | Standardized | English | |
| MARGIE A. CICERRELLA | Standardized | English | Jackson |
| JAIME CIECALONE | Community | English | Lane |
| LINDA CINNAMOND | Not given | English | Multnomah |
| Teresa Ann Cisneros | Community | English, Spanish | Marion, Polk, Yamhill |
| AMY MCADAMS CLARK | Standardized | English | Multnomah |
| SIOBHAN CLARK | Community | English | Clackamas, Multnomah, Washington |
| Stacia Ann Clark | Master | English, Spanish | All |
| TAMARA CLARK | Master | English | Lane, Linn, Multnomah |
| DEZIRE CONTENT CLARKE MEINDERSEE | Master | English | All |
| MYRA MIHELICH CLASSEN | Master | English | Benton, Clackamas, Columbia, Hood River, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Washington, Yamhill |
| MOLLY CLEMENT | Master | English | Jackson, Josephine |
| JUDY CLIFFORD | Standardized | English | Washington |
| Kendra Janine Coates | Master | English | All |
| DEBORAH P. COEHLO | Master | English | All |
| ANDREA COFFEE | Community | English | Lane |
| CHRISTINA COFFEY | Standardized | Benton, Linn, Marion, Polk, Yamhill | |
| ELISABETH MENZEL COHEN | Standardized | English | Coos, Curry |
| TONYA COKER | Master | English | All |
| NELL COLBURN | Standardized | English | Multnomah |