| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Meghan Jennifer Gwin Anson | Master | English | All |
| 0 | AIMEE COLLEEN APT | Master | English | Benton, Clackamas, Clatsop, Columbia, Crook, Deschutes, Douglas, Hood River, Jefferson, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Wasco, Washington, Yamhill |
| 0 | EVA ARAIZA | Not given | English | |
| 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 | DONELL L. ARCHER | Standardized | English | All |
| 0 | BARBARA LYNN ARENA-CRANDALL | Community | English | All |
| 5 | JESSICA ARENDT | Master | English | Clackamas, Multnomah, Washington |
| 0 | JESS ARMAS | Standardized | English | Marion |
| 0 | JAN ARMSTRONG | Standardized | English | Lane |
| 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 |