| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Andrea Marie Roberts | Master | English | All |
| 2 | DYLYNN RENEE ROBERTSON | Master | English | All |
| 0 | MICHELLE MARIE ROBLERO | Community | English | Lane |
| 0 | MARA ILIANA ROBLES | Community | English, Spanish | Crook, Deschutes, Jefferson |
| 0 | Julia Nicole Rockwell | Master | English | All |
| 0 | ANN RODRIGUEZ | Community | English, Spanish | Coos, Curry, Multnomah, Washington |
| 29 | Lorena Dawn Rodriguez | Master | English, Spanish | Crook, Deschutes, Jefferson |
| 0 | ROSALBA RODRIGUEZ | Community | Spanish | All |
| 5 | YOLANDA RODRIGUEZ DE MORALES | Master | English, Spanish | Malheur |
| 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 |
| 6 | 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 | Kassandra April Rousselle | Specialty Community | English | All |
| 0 | HANNAH ROVIRA | Community | English | Clackamas, Multnomah |
| 16 | MICHELLE ROWLAND | Master | English | All |
| 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 |
| 3 | NICOLE MAE RUNYAN | Master | English | Benton, Lincoln, Linn |
| 54 | AMI CHAPPELL RUSSELL | Master | English | All |
| 0 | JANET RUSSELL | Community | English | Benton, Lane, Lincoln, Marion, Polk, Yamhill |
| 23 | Cindy Lee Ryan | Master | English | Lane, Lincoln, Linn, Polk, Tillamook, Yamhill |
| 0 | MEAGHAN RYAN | Master | English | All |
| 0 | AMEERA SAAHIR | Community | English | Multnomah |
| 4 | Rachelle Gethsemane Saceda | Master | English | Benton, Linn, Marion |
| 0 | Cyra Mechelle Sadowl | Community | English | All |
| 3 | Christina (Crissy) Salazar | Master | English | Washington |
| 12 | EVELYN KARMA SALVATIERRA | Master | English, Spanish | All |
| 0 | REBECCA RACHEL SANCHEZ | Community | English, Spanish | All |
| 0 | Breanna Marie Sandefur | Master | English | 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 |
| 1 | Elizabeth (Katie) Kathern Sass | Master | English | Clackamas, Multnomah, Washington |
| 8 | Tobie Renee Sass | Master | English | All |
| 0 | MELISSA RENEE SCHIERES | Community | English | All |
| 0 | Rikkie Lee Schley | Specialty Master | English | Columbia, Washington |