| Name | Type | Language | Counties |
|---|---|---|---|
| ROSALVA ROJAS | Standardized | English, Spanish | All |
| OLGA JOSEFINA ROJAS-GARCIA | Community | English, Spanish | All |
| Candelaria Romero | Master | English, Spanish | Jackson, Jefferson |
| Cynthia Romero-Orozco | Standardized | ||
| ERIKA PAT ROMINE | Master | English | Lane, Marion, Polk |
| REYNA GUADALUPE ROSALES MORALES | Standardized | English, Spanish | |
| Katrina N Rose | Community | English | Jackson, Josephine |
| MAIDIE OLDBERG ROSENGARDEN | Master | English | Coos, Curry |
| JESSICA ANNE ROSENGREEN | Community | English | Washington |
| CHRISTOPHER CHAD ROSS | Standardized | English, Spanish | Malheur |
| PATRICIA R ROUSSEL | Master | English | All |
| Kassandra April Rousselle | Specialty Community | English | All |
| HANNAH ROVIRA | Community | English | Clackamas, Multnomah |
| CASSANDRA ARIEL ROWE | Community | English | All |
| MICHELLE ROWLAND | Master | English | All |
| Joy Ellin Rowley | Master | English | Clackamas, Hood River, Marion, Multnomah, Polk, Wasco, Washington |
| Shani Elizabeth Roy | Master | English | Jefferson |
| Cassandra L Ruhe | Standardized | ||
| RIONNA D RULEY | Master | English | All |
| STEPHANIE MARIE RUND | Master | English | Clackamas, Lane, Marion, Multnomah, Washington |