| Name | Type | Language | Counties |
|---|---|---|---|
| KITTY RIDER | Not given | English | Douglas |
| KIRSTEN DAWN RIED | Standardized | English | All |
| KRISTINA RIES | Master | English | Clackamas, Columbia, Marion, Multnomah, Polk, Tillamook, Washington |
| NATALIE JANE RILEY | Community | English | All |
| SUE RISS | Standardized | English | Multnomah |
| Jasmin Rivera | Master | English, Spanish | All |
| Laikaika Layne Rivera | Master | English | Multnomah |
| MICHAEL ADAM RIVERA | Master | English | All |
| ALICIA RIVERA MENDOZA | Standardized | English | Malheur |
| Claudia Alejandra Rizo Mendoza | Standardized | English | Multnomah, Washington |
| MARIA ESTHER RIZO PEDROZA | Specialty Master | Spanish | Washington |
| BONNIE L ROBBINS | Standardized | English | Multnomah |
| Andrea Marie Roberts | Master | English | All |
| DYLYNN RENEE ROBERTSON | Master | English | All |
| LEAH MARIE ROBINSON | Master | English | Multnomah |
| 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 |
| DALLAS RODRIGUEZ | Standardized | English | Clackamas, Multnomah, Washington |