| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 2 | MANDY RAE PRESTENBACH | Master | English | Benton, Coos, Deschutes, Lane, Lincoln, Linn, Marion, Multnomah, Tillamook |
| 7 | CATHLEEN A PRICE | Master | English | All |
| 0 | KAREN PROW | Master | English | Crook, Deschutes, Jefferson |
| 0 | Tiffany Ralston | Master | English | All |
| 0 | Ernesto Ramirez | Master | English, Spanish | All |
| 0 | JILL GARDNER RAMIREZ | Standardized | English, Spanish | Jackson, Josephine, Klamath, Lake |
| 20 | Karen Ramirez | Master | English, Spanish | Lane |
| 0 | Rosa Elia Ramirez | Community | English, Spanish | Clackamas, Multnomah |
| 1 | MICHELLE RAMOS | Community | English, Spanish | Deschutes, Jefferson |
| 0 | KEVIN GEORGE RATKOVICH | Community | Spanish | Jackson, Josephine |
| 0 | Shannon Leigh Raybold | Master | English | All |
| 1 | ROBERTA LOUISE RECKEN | Master | English | All |
| 32 | Debra Lee Reed | Master | English | Clatsop, Columbia, Tillamook |
| 0 | Jaiden Ashlee Nikole Reeves | Community | English | Douglas, Lane, Linn |
| 0 | JON MARK REEVES | Specialty Master | English | Marion |
| 0 | LYNN MARIE REILING | Master | English | Benton, Douglas, Lane, Linn |
| 0 | Chelsea Jil Reinhart | Master | English | All |
| 0 | Kristen Erin Rekow | Master | English | Multnomah, Washington |
| 0 | Carmen Michele Requa | Master | English | Morrow, Umatilla |
| 14 | ABBIE REXROAD | Master | English | Crook, Deschutes, Jefferson |
| 0 | Brenda Reynoso | Standardized | English | Jefferson |
| 0 | Helen Darlene Richardson | Master | English | Benton, Clackamas, Linn, Marion, Washington |
| 0 | Marsha Richmond | Standardized | English | Klamath, Lake |
| 0 | KRISTINA RIES | Master | English | Clackamas, Columbia, Marion, Multnomah, Polk, Washington, Yamhill |
| 0 | NATALIE JANE RILEY | Community | English | All |
| 0 | MARIA ESTHER RIZO PEDROZA | Specialty Master | Spanish | Washington |
| 2 | DYLYNN RENEE ROBERTSON | Master | English | All |
| 0 | MICHELLE MARIE ROBLERO | Community | English | Lane |
| 0 | MARA ILIANA ROBLES | Community | English, Spanish | Crook, Deschutes, Jefferson |
| 0 | Julia Nicole Rockwell | Master | English | All |
| 0 | ANN RODRIGUEZ | Community | English, Spanish | Coos, Curry, Multnomah, Washington |
| 25 | Lorena Dawn Rodriguez | Master | English, Spanish | Crook, Deschutes, Jefferson |
| 5 | YOLANDA RODRIGUEZ DE MORALES | Master | English, Spanish | Malheur |
| 0 | Juana Rodriguez Estrada | Standardized | English, Spanish | Benton, Lincoln, Linn |
| 6 | DIANNE ROSE RODRIGUEZ WOOD | Master | English | All |
| 1 | Jessica Helen Rogers | Master | English | Washington |
| 5 | KIMBERLY CRYSTAL ROJAS | Master | English, Spanish | All |
| 0 | ROSALVA ROJAS | Standardized | English, Spanish | All |
| 1 | Candelaria Romero | Master | English, Spanish | Jackson, Jefferson |
| 1 | ERIKA PAT ROMINE | Master | English | Lane, Marion, Polk |
| 0 | Katrina N Rose | Community | English | Jackson, Josephine |
| 1 | MAIDIE OLDBERG ROSENGARDEN | Master | English | Coos, Curry |
| 0 | JESSICA ANNE ROSENGREEN | Community | English | Washington |
| 0 | CHRISTOPHER CHAD ROSS | Standardized | English, Spanish | Malheur |
| 222 | PATRICIA R ROUSSEL | Master | English | All |
| 0 | Kassandra April Rousselle | Specialty Community | English | All |
| 15 | 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 |