| Name | Type | Language | Counties |
|---|---|---|---|
| MARGUERITE RAWIE | Not given | English | Marion |
| RICHARD WILLIAM RAY | Standardized | English | Clackamas, Multnomah, Washington |
| Shannon Leigh Raybold | Master | English | Clackamas, Multnomah, Washington |
| Sarah Lorraine Razzano | Master | English | All |
| MELANIE A. REAVES | Standardized | Gilliam, Hood River, Sherman, Wasco, Wheeler | |
| ROBERTA LOUISE RECKEN | Master | English | All |
| Cheryl Ann Reece | Standardized | English | Clackamas |
| Debra Lee Reed | Master | English | Clatsop, Columbia, Tillamook |
| LURA MARIE REED | Master | English | Deschutes |
| 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 |
| SUZANNE LEHMAN REININGER | Standardized | English | Deschutes |
| JESSICA LYNN REITAN | Community | English | Clackamas, Multnomah, Washington |
| Kristen Erin Rekow | Master | English | Multnomah, Washington |
| KARON LOUISE RELEI | Standardized | English | Crook, Deschutes, Jefferson |
| HOLLY REMER | Standardized | English | Deschutes |
| CONNIE REPPLINGER | Standardized | English | Marion |
| Carmen Michele Requa | Master | English | Morrow, Umatilla |
| ABBIE REXROAD | Master | English | Crook, Deschutes, Jefferson |
| Bonnie Leticia Reyes | Standardized | Clackamas, Coos, Crook, Deschutes, Jefferson | |
| ANGELA REYNOLDS | Standardized | English | Multnomah |
| CHAR REYNOLDS | Standardized | English | Deschutes |
| DENNIS W REYNOLDS | Standardized | English | Lane |
| Brenda Reynoso | Standardized | English | Jefferson |
| NINA M RHODES | Master | English | Clackamas |
| JAIMEE LYN RICE | Master | English | Coos, Curry |
| ERIN EVANS RICHARDS | Master | English | Morrow, Umatilla, Union |
| Helen Darlene Richardson | Master | English | Benton, Clackamas, Linn, Marion, Washington |
| Marsha Richmond | Standardized | English | Klamath, Lake |
| 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 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 |