| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | MARY STOVIN | Standardized | English | Marion |
| 23 | Jessie E Stowell | Master | English | All |
| 0 | KIMBERLY STRAIN | Standardized | English | All |
| 0 | LINDA STRATTON | Standardized | English | Marion, Polk |
| 0 | Tracy Strawn | Master | English | Multnomah, Washington |
| 0 | KATHERINE ANN STREET | Standardized | Gilliam, Grant, Hood River, Morrow, Sherman, Wasco, Wheeler | |
| 0 | Deshonda Stringer | Master | English | All |
| 0 | Katherine Irene Stroh | Community | English | Benton, Clackamas, Clatsop, Columbia, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Washington, Yamhill |
| 0 | JACKIE KAY STUHR | Standardized | English | |
| 7 | Irina V Stukalov | Specialty Master | English, Russian, Other | Linn, Marion, Polk, Yamhill |
| 0 | Gretchen Stupke | Master | English | Benton, Lane, Linn, Marion |
| 4 | Peng Su | Community | English, Chinese | All |
| 2 | JOYCE MARLENE SUCHOSKI | Master | English | Clackamas, Columbia, Multnomah, Washington |
| 0 | JULIE ANNE SUEFERT | Master | English | All |
| 2 | JEANISE MARIE SUIHKONEN | Master | English | All |
| 31 | Alba Luz Sullivan | Master | Spanish | Washington |
| 1 | JESSIKA SUMMERFIELD | Master | English | Clackamas |
| 1 | Stephanie Anne Sundborg | Master | English | All |
| 1 | TERRI J SUTTON | Master | English, Spanish | All |
| 0 | SONJA SVENSON | Standardized | English | Benton, Clackamas, Lane, Linn, Marion, Polk, Yamhill |