| Name | Type | Language | Counties |
|---|---|---|---|
| Jaiden Ashlee Nikole Reeves | Community | English | Douglas, Lane, Linn |
| JON MARK REEVES | Specialty Master | English | Marion |
| LYNN MARIE REILING | Master | English | Douglas, Lane, Linn, Polk |
| Chelsea Jil Reinhart | Master | English | All |
| Kristen Erin Rekow | Master | English | Multnomah, Washington |
| Carmen Michele Requa | Master | English | Morrow, Umatilla |
| ABBIE REXROAD | Master | English | Crook, Deschutes, Jefferson |
| Brenda Reynoso | Standardized | English | Jefferson |
| NINA M RHODES | Master | English | Clackamas |
| JAIMEE LYN RICE | Master | English | Coos, Curry |
| Helen Darlene Richardson | Master | English | Benton, Clackamas, Linn, Marion, Washington |
| Marsha Richmond | Standardized | English | Klamath, Lake |
| KRISTINA RIES | Master | English | Clackamas, Columbia, Marion, Multnomah, Polk, Tillamook, Washington |
| NATALIE JANE RILEY | Community | English | All |
| Jasmin Rivera | Master | English, Spanish | All |
| Laikaika Rivera | Master | English | Multnomah |
| MICHAEL ADAM RIVERA | Master | English | All |
| MARIA ESTHER RIZO PEDROZA | Specialty Master | Spanish | Washington |
| Andrea Marie Roberts | Master | English | All |
| DYLYNN RENEE ROBERTSON | Master | English | All |
| MICHELLE MARIE ROBLERO | Community | English | All |
| MARA ILIANA ROBLES | Community | English, Spanish | Crook, Deschutes, Jefferson |
| Julia Nicole Rockwell | Master | English | All |
| ANN RODRIGUEZ | Community | English, Spanish | Coos, Curry, Multnomah, Washington |
| Lorena Dawn Rodriguez | Master | English, Spanish | Crook, Deschutes, Jefferson |
| ROSALBA RODRIGUEZ | Community | Spanish | All |
| SANDRA KARINA RODRIGUEZ | Master | English, Spanish | Clackamas, Multnomah |
| YOLANDA RODRIGUEZ DE MORALES | Master | English, Spanish | Malheur |
| Juana Rodriguez Estrada | Standardized | English, Spanish | Benton, Lincoln, Linn, Marion, Polk, Yamhill |
| Olivia Rodriguez Torres | Standardized | English, Spanish | |
| DIANNE ROSE RODRIGUEZ WOOD | Master | English | All |
| JESSICA HELEN ROGERS | Master | English | Washington |
| KIMBERLY CRYSTAL ROJAS | Master | English, Spanish | All |
| 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 |