| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | 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 |
| 1 | Bianela Fabiola Arteta Perez | Master | English, Spanish | All |
| 0 | DIONE MARIE ASHBY | Master | English | All |
| 14 | TERESA LOUISE ASHFORD | Master | English | All |
| 2 | Kim Lian Ashley | Master | English | All |
| 7 | Sara Ashou | Master | English, Spanish | Clackamas, Multnomah, Washington |
| 1 | Valeria C Atanacio | Master | English, Spanish | All |
| 0 | Haley Atherton | Master | English | All |
| 11 | Dalia Avello | Master | English, Spanish | All |
| 0 | AMANDA ROSE AVILES | Community | English | Josephine |
| 0 | Fabiola Azcue | Standardized | Spanish | Marion |
| 1 | SHAHRNAZ BADIEE | Master | English | Benton, Clackamas, Hood River, Jackson, Jefferson, Josephine, Klamath, Lane, Linn, Malheur, Marion, Multnomah, Polk, Wasco, Washington |
| 3 | Casey O'Ryan Bailey | Specialty Master | English | All |
| 0 | KIRSI ELAINE BAIRD | Master | English | Clackamas, Multnomah, Washington |
| 4 | GREGORY JOHN BAKER | Community | English | Baker, Benton, Clackamas, Clatsop, Columbia, Coos, Crook, Curry, Deschutes, Douglas, Gilliam, Grant, Harney, Hood River, Jackson, Jefferson, Josephine, Klamath, Lake, Lane, Lincoln, Linn, Malheur, Marion, Morrow, Multnomah, Polk, Sherman, Tillamook, Umatilla, Union, Wallowa, Wasco, Washington, Wheeler, Yamhill, Out-of-state |