| 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 Layne 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 |