| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | CHAR REYNOLDS | Standardized | English | Deschutes |
| 0 | DENNIS W REYNOLDS | Standardized | English | Lane |
| 0 | Brenda Reynoso | Standardized | English | Jefferson |
| 2 | NINA M RHODES | Master | English | Clackamas |
| 0 | JAIMEE LYN RICE | Master | English | Coos, Curry |
| 0 | ERIN EVANS RICHARDS | Master | English | Morrow, Umatilla, Union |
| 0 | Helen Darlene Richardson | Master | English | Benton, Clackamas, Linn, Marion, Washington |
| 0 | Marsha Richmond | Standardized | English | Klamath, Lake |
| 0 | KITTY RIDER | Not given | English | Douglas |
| 0 | KIRSTEN DAWN RIED | Standardized | English | All |
| 0 | KRISTINA RIES | Master | English | Clackamas, Columbia, Marion, Multnomah, Polk, Tillamook, Washington |
| 0 | NATALIE JANE RILEY | Community | English | All |
| 0 | SUE RISS | Standardized | English | Multnomah |
| 3 | Jasmin Rivera | Master | English, Spanish | All |
| 2 | Laikaika Layne Rivera | Master | English | Multnomah |
| 0 | MICHAEL ADAM RIVERA | Master | English | All |
| 0 | ALICIA RIVERA MENDOZA | Standardized | English | Malheur |
| 0 | Claudia Alejandra Rizo Mendoza | Standardized | English | Multnomah, Washington |
| 0 | MARIA ESTHER RIZO PEDROZA | Specialty Master | Spanish | Washington |
| 0 | BONNIE L ROBBINS | Standardized | English | Multnomah |
| 0 | Andrea Marie Roberts | Master | English | All |
| 2 | DYLYNN RENEE ROBERTSON | Master | English | All |
| 0 | LEAH MARIE ROBINSON | Master | English | Multnomah |
| 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 |
| 0 | DALLAS RODRIGUEZ | Standardized | English | Clackamas, Multnomah, Washington |
| 0 | DAVID ANTHONY RODRIGUEZ | Standardized | English | Polk |
| 0 | Elizabeth G Rodriguez | Standardized | English | Malheur |
| 31 | Lorena Dawn Rodriguez | Master | English, Spanish | Crook, Deschutes, Jefferson |
| 0 | ROSALBA RODRIGUEZ | Community | Spanish | All |
| 0 | SANDRA KARINA RODRIGUEZ | Master | English, Spanish | Clackamas, Multnomah |
| 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 |
| 0 | HEATHER DAWN ROGEN | Standardized | English | Crook, Deschutes, Jefferson |
| 1 | JESSICA HELEN ROGERS | Master | English | Washington |
| 6 | KIMBERLY CRYSTAL ROJAS | Master | English, Spanish | All |
| 0 | ROSALVA ROJAS | Standardized | English, Spanish | All |
| 0 | OLGA JOSEFINA ROJAS-GARCIA | Community | English, Spanish | All |
| 1 | NINA ROLL | Master | English | Lincoln, Tillamook |
| 1 | Candelaria Romero | Master | English, Spanish | Jackson, Jefferson |
| 2 | ERIKA PAT ROMINE | Master | English | Lane, Marion, Polk |
| 0 | Camille Joyce Ronzio | Standardized | English | All |
| 0 | KATHRYN SYLVIA ROOD | Standardized | English | Baker |
| 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 |