| Name | Type | Language | Counties |
|---|---|---|---|
| DENNIS EUGENE SIBILIA-YOUNG | Community | English, Spanish | Benton, Clackamas, Clatsop, Coos, Deschutes, Douglas, Jefferson, Klamath, Lane, Lincoln, Linn |
| HEIDA SIGURDARDOTTIR | Community | English | Lane |
| Michele Silence | Community | English | All |
| FLOR DE MARIA SILVA GUTIERREZ | Master | English, Spanish | Washington |
| Evghenia Sincariuc | Master | English, Russian, Other | All |
| AMBER LILA SINGH | Master | English | Douglas, Klamath, Lake |
| NICOLE ELAINE SINGLETON | Community | English | All |
| Cherie C Skillings | Master | English | Crook, Deschutes, Jefferson, Lane |
| REBECCA ELAINE SKYLES | Community | English | Multnomah, Washington |
| KRISTEN SLATT | Master | English | Gilliam, Grant, Harney, Hood River, Lane, Malheur, Morrow, Sherman, Umatilla, Union, Wallowa, Wasco, Wheeler |