| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | KAREN ANN ARMSTRONG | Standardized | English | Marion |
| 0 | SUSAN GAIL ARMSTRONG | Standardized | English | Douglas, Lane, Marion |
| 0 | SUE ARNDT | Standardized | English | Marion, Polk |
| 3 | Lynn B Arnold | Specialty Master | English | All |
| 5 | Renea Arnold | Master | English | All |
| 0 | ROXANNE ARNOT | Not given | English | Curry |
| 6 | Jory Janet Aronson | Master | English | All |
| 0 | MONA ARRITOLA | Not given | English | Union |
| 0 | Margarita Bibiana Arroyo | Master | English, Spanish | All |
| 0 | Antonio Arroyo-Rojas | Standardized | English, Spanish | Hood River, Multnomah, Wasco |