| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Juana Rodriguez Estrada | Standardized | English, Spanish | Benton, Lincoln, Linn |
| 6 | DIANNE ROSE RODRIGUEZ WOOD | Master | English | All |
| 1 | Jessica Helen Rogers | Master | English | Washington |
| 5 | KIMBERLY CRYSTAL ROJAS | Master | English, Spanish | All |
| 0 | ROSALVA ROJAS | Standardized | English, Spanish | All |
| 1 | Candelaria Romero | Master | English, Spanish | Jackson, Jefferson |
| 1 | ERIKA PAT ROMINE | Master | English | Lane, Marion, Polk |
| 0 | Katrina N Rose | Community | English | Jackson, Josephine |
| 1 | MAIDIE OLDBERG ROSENGARDEN | Master | English | Coos, Curry |
| 0 | JESSICA ANNE ROSENGREEN | Community | English | Washington |
| 0 | CHRISTOPHER CHAD ROSS | Standardized | English, Spanish | Malheur |
| 222 | PATRICIA R ROUSSEL | Master | English | All |
| 0 | Kassy April Rousselle | Specialty Community | English | All |
| 9 | MICHELLE ROWLAND | Master | English | Clackamas, Multnomah, Washington, Yamhill |
| 3 | Joy Ellin Rowley | Master | English | Clackamas, Hood River, Marion, Multnomah, Polk, Wasco, Washington |
| 0 | Shani Elizabeth Roy | Master | English | Jefferson |
| 0 | RIONNA D RULEY | Master | English | All |
| 4 | STEPHANIE MARIE RUND | Master | English | Clackamas, Lane, Marion, Multnomah, Washington |
| 1 | NICOLE MAE RUNYAN | Master | English | Benton, Lincoln, Linn |
| 52 | AMI RUSSELL | Master | English | All |
| 0 | JANET RUSSELL | Community | English | Benton, Lane, Lincoln, Marion, Polk, Yamhill |
| 19 | Cindy Lee Ryan | Master | English | Lane, Lincoln, Linn, Polk, Tillamook, Yamhill |
| 0 | MEAGHAN RYAN | Master | English | All |
| 0 | AMEERA SAAHIR | Community | English | Multnomah |
| 0 | Teniel Coleen Sabin | Specialty Master | English, Spanish | All |
| 4 | Rachelle Gethsemane Saceda | Master | English | Benton, Linn, Marion |
| 0 | Cyra Mechelle Sadowl | Community | English | All |
| 0 | Christina Salazar | Master | English | Washington |
| 11 | EVELYN KARMA SALVATIERRA | Master | English, Spanish | All |
| 0 | REBECCA RACHEL SANCHEZ | Community | English, Spanish | All |
| 97 | JENNA RACHEL SANDERS | Master | English | Benton, Clackamas, Linn, Marion, Multnomah, Polk, Washington, Yamhill |
| 2 | TIFFANY RENE SANFORD | Master | English | Multnomah |
| 0 | KAREN TRACY SANTESSON | Community | English | Multnomah, Washington |
| 0 | Barbara Ivonne Santiago | Community | English, Spanish | Lane |
| 0 | ALI S SANZ | Community | English, Spanish | Hood River, Marion, Multnomah, Washington |
| 0 | Jovanna Marisol Sardineta Cotero | Standardized | English, Spanish | Washington |
| 0 | Kathern Elizabeth Sass | Master | English | Clackamas, Multnomah, Washington |
| 8 | Tobie Renee Sass | Master | English | Baker, Grant, Harney, Morrow, Umatilla, Union |
| 0 | MELISSA RENEE SCHIERES | Community | English | All |
| 0 | Rikkie Lee Schley | Specialty Master | English | Columbia, Washington |
| 24 | RHONDA RENEE SCHOCK | Master | English | Coos, Curry, Douglas, Jackson, Josephine, Klamath, Lane |
| 1 | CHERI LYNN SCHOOLEY | Community | English | Clackamas, Multnomah, Washington |
| 0 | Kimberly Linn Schrader | Community | English | Clatsop, Columbia, Tillamook |
| 0 | Elena Marie Schreiner | Community | English | Clackamas, Multnomah |
| 39 | CANDICE DAVIS SCOTT | Master | English | All |
| 0 | Amy Renee Scurry | Community | English | All |
| 5 | CHARLENE YVONNE SHAW | Master | English | All |
| 0 | MONICA R. SHAW | Standardized | English | Klamath |
| 1 | Shelby Mendiguren Shaw | Master | English | All |
| 16 | ANNELIESE CHRISTINE SHEAHAN | Master | English, Other | All |