| Name | Type | Language | Counties |
|---|---|---|---|
| KIMBERLY CRYSTAL ROJAS | Master | English, Spanish | All |
| ROSALVA ROJAS | Standardized | English, Spanish | All |
| OLGA JOSEFINA ROJAS-GARCIA | Community | English, Spanish | All |
| NINA ROLL | Master | English | Lincoln, Tillamook |
| Candelaria Romero | Master | English, Spanish | Jackson, Jefferson |
| Cynthia Romero-Orozco | Standardized | ||
| ERIKA PAT ROMINE | Master | English | Lane, Marion, Polk |
| Camille Joyce Ronzio | Standardized | English | All |
| KATHRYN SYLVIA ROOD | Standardized | English | Baker |
| LYNN ROPER | Standardized | English | Polk |
| REYNA GUADALUPE ROSALES MORALES | Standardized | English, Spanish | |
| MAUREEN ROSAMOND | Standardized | English | Clackamas |
| PATRICIA ROSAS | Standardized | Hood River, Wasco | |
| Katrina N Rose | Community | English | Jackson, Josephine |
| MAIDIE OLDBERG ROSENGARDEN | Master | English | Coos, Curry |
| JESSICA ANNE ROSENGREEN | Community | English | Washington |
| KALINE NIAN ROSMAN | Standardized | English | All |
| CHRISTOPHER CHAD ROSS | Standardized | English, Spanish | Malheur |
| SARA BERNICE ROSS | Community | English | Jackson, Josephine |
| PATRICIA R ROUSSEL | Master | English | All |