| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 1 | NINA ROLL | Master | English | Lincoln, Tillamook |
| 1 | Candelaria Romero | Master | English, Spanish | Jackson, Jefferson |
| 1 | ERIKA PAT ROMINE | Master | English | Lane, Marion, Polk |
| 0 | Camille Joyce Ronzio | Standardized | English | All |
| 0 | KATHRYN SYLVIA ROOD | Standardized | English | Baker |
| 0 | LYNN ROPER | Standardized | English | Polk |
| 0 | MAUREEN ROSAMOND | Standardized | English | Clackamas |
| 0 | PATRICIA ROSAS | Standardized | Hood River, Wasco | |
| 0 | Katrina N Rose | Community | English | Jackson, Josephine |
| 1 | MAIDIE OLDBERG ROSENGARDEN | Master | English | Coos, Curry |
| 0 | JESSICA ANNE ROSENGREEN | Community | English | Washington |
| 0 | KALINE NIAN ROSMAN | Standardized | English | All |
| 0 | CHRISTOPHER CHAD ROSS | Standardized | English, Spanish | Malheur |
| 0 | SARA BERNICE ROSS | Community | English | Jackson, Josephine |
| 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 |
| 1 | Julie C Rusby | Master | English | All |
| 54 | AMI CHAPPELL RUSSELL | Master | English | All |
| 0 | JANET RUSSELL | Community | English | Benton, Lane, Lincoln, Marion, Polk, Yamhill |
| 0 | SANDRA ANN RUSSIO | Standardized | English | Crook, Deschutes, Jefferson |
| 0 | PATRICIA ANN RUST | Master | English | Clackamas, Washington |
| 0 | KATHLEEN RUTLEDGE | Not given | English | Benton |
| 22 | Cindy Lee Ryan | Master | English | Lane, Lincoln, Linn, Polk, Tillamook, Yamhill |
| 0 | MEAGHAN RYAN | Master | English | All |
| 11 | AMBER MARIE RYERSON | Master | English | Polk, Yamhill |
| 0 | AMEERA SAAHIR | Community | English | Multnomah |
| 0 | AUBREY A. SABIN | Community | English | Washington |
| 0 | Teniel Coleen Sabin | Specialty Master | English, Spanish | |
| 4 | Rachelle Gethsemane Saceda | Master | English | Benton, Linn, Marion |
| 0 | BELINDA S SADLER | Standardized | English | Clackamas |
| 0 | LISA V SADLER | Not given | English | Lane |
| 0 | Cyra Mechelle Sadowl | Community | English | All |
| 0 | TADEO SAENZ-THOMPSON | Standardized | All | |
| 0 | SHERRENA YVONNE SAINT PREUX | Standardized | English | Multnomah |
| 0 | SHARA L SALA | Community | English | Crook, Deschutes |
| 3 | Christina (Crissy) Salazar | Master | English | Washington |
| 0 | JUANA SOLEDAD SALAZAR BARRAZA | Standardized | Spanish | Umatilla |
| 0 | DIANE C SALDIVAR | Standardized | Jackson, Josephine | |
| 12 | EVELYN KARMA SALVATIERRA | Master | English, Spanish | All |
| 0 | MARGARITA SAMBRANO | Standardized | English | Washington |
| 0 | RICK STEPHEN SAMUELSON | Standardized | English | Washington |
| 0 | BERTHA SANCHEZ | Standardized | Jackson | |
| 0 | GLENDA M. SANCHEZ | Standardized | Spanish | Umatilla |