| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Margarita Bibiana Arroyo | Master | English, Spanish | All |
| 0 | Antonio Arroyo-Rojas | Standardized | English, Spanish | Hood River, Multnomah, Wasco |
| 0 | Olga N Arshilovich | Community | English, Russian | Clackamas, Marion, Multnomah, Polk, Yamhill |
| 0 | ALICIA DAWNSTAR ASHBY | Standardized | English | Clackamas, Multnomah, Washington |
| 0 | Sherian Louise Asher | Standardized | English | Deschutes, Gilliam, Grant, Jefferson, Sherman, Umatilla, Wheeler |
| 10 | Teresa Louise Ashford | Master | English | All |
| 2 | Kim Lian Ashley | Master | English | All |
| 0 | CARMEN MARIA ASHWORTH | Standardized | Lane | |
| 0 | Haley Atherton | Master | English | All |
| 0 | CAROLYN MARY AUSBORN | Community | English | Benton, Clackamas, Deschutes, Douglas, Hood River, Lane, Marion, Multnomah, Polk, Washington, Yamhill |