| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 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 | 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 |
| 1 | Julie C Rusby | Master | English | All |
| 52 | AMI RUSSELL | Master | English | All |
| 0 | JANET RUSSELL | Community | English | Benton, Lane, Lincoln, Marion, Polk, Yamhill |