| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 2 | PAMELA THOMPSON ARBOGAST | Master | English | Coos, Crook, Curry, Deschutes, Douglas, Jackson, Jefferson, Josephine, Klamath, Lake, Lane, Lincoln |
| 0 | Leslie Arbuckle | Master | English | Clackamas |
| 0 | Cherri Archer | Master | English | Marion, Polk, Yamhill |
| 0 | JORJIE PACIFIC ARDEN | Community | English | Benton, Douglas, Lane, Linn |
| 1 | BARBARA LYNN ARENA-CRANDALL | Master | English | All |
| 3 | Lynn B Arnold | Specialty Master | English | All |
| 6 | Jory Janet Aronson | Master | English | All |
| 0 | Margarita Bibiana Arroyo | Master | English, Spanish | All |
| 0 | Antonio Arroyo-Rojas | Standardized | English, Spanish | Hood River, Multnomah, Wasco |
| 6 | OLGA ARSHILOVICH | Master | English, Russian | Marion, Polk, Yamhill |