| 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 |