| Name | Type | Language | Counties |
|---|---|---|---|
| Alisa Ann McDonald | Master | English | Douglas |
| BROOKE JEAN MCDONALD | Community | English | All |
| MARIAN CLARE MCDONALD | Community | English | All |
| SUE MCDONALD | Standardized | English | Union |
| KATHLEEN MARY MCDONNELL | Master | English | Benton, Lane, Lincoln |
| RHONDA SUE MCDOWALL | Master | English | All |
| TAMMIE LEE MCENROE | Standardized | English | Baker, Union |
| DANIELLE (Dani) MCFARLAND | Master | English | Clackamas, Hood River, Multnomah, Washington |
| KATHLEEN CARNES MCFARLANE | Standardized | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| PATRICIA MCGLINN | Standardized | English | Multnomah |
| DAVID MCGORY | Standardized | English | Lane |
| MOLLY MCGREW | Standardized | English | All |
| PATRICIA J. MCILVEEN | Master | English | All |
| Kristen E. McKee | Community | English, Spanish | Benton, Clackamas, Columbia, Deschutes, Hood River, Jefferson, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Wasco, Washington, Yamhill |
| DANIELLE MARIE MCKIDDY | Master | English | Douglas, Klamath, Lake |
| Yolanda Denise McKinney | Community | English | Multnomah |
| Laura Nix McLean | Master | English, Spanish | Clackamas, Multnomah |
| MOLLY MCMAHON | Standardized | English | All |
| JENNIFER ABIGAIL COOPER MCMULLEN | Master | English, Spanish | Benton, Linn, Marion, Polk, Yamhill |
| JOANNE ELIZABETH MCNAMARA | Standardized | English | Multnomah |
| MARY MCNAMEE | Community | English | Coos, Curry |
| JEANNE MARIE MCNASSAR | Standardized | English | Multnomah |
| CARRIE LEAGH MCNEES | Community | English | Lane |
| HEATHER R. MCNEIL | Specialty Master | English | All |
| KATHRYN LYNN MCPHAIL | Community | English | Linn, Marion, Polk, Washington |
| SARA MARGARET MCWILLIAMS | Community | English | All |
| COLLEEN MEACHAM | Community | English | Clackamas, Multnomah, Washington, Yamhill |
| SANDRA MEADOS | Master | English | All |
| Marina Anatolyevna Meaney | Master | English, Russian | All |
| LARISSA CHRISTINE MEANY | Community | English | Jackson |
| JEANNETTE MEDEIROS | English | Jackson | |
| TRISTA IRENE MEEK | Community | English | Umatilla, Union |
| CATHERINE RAE MEIER | Master | English | All |
| JENNA MEJIA | Standardized | English | |
| RACHELLE MARIE MEJIA | Master | English | Clatsop, Lincoln, Multnomah, Tillamook, Washington, Yamhill |
| Laura Fernanda Mejia Arroyo | Standardized | English, Spanish | Jackson |
| Nancy Acosta Melendrez | Master | English, Spanish | Malheur |
| CYNTHIA MELLEMA | Community | English | Jackson |
| ABIGAIL ELIZABETH MENDEZ | Master | English, Spanish | Clackamas, Multnomah, Washington |
| Aidee Mendoza Cortes | Standardized | English, Spanish | |
| VERONICA MENDOZA OCHOA | Master | English, Spanish | Marion |
| BEATRIZ ADRIANA MENDOZA-NEGRETE | Standardized | Crook, Deschutes, Jefferson | |
| NATALIA MERECIAS CUEVAS | Community | English, Spanish | Washington |
| CAROL JEANNE MERKORD | Not given | English | Benton |
| Jennifer Lynn Merrill | Master | English | Clackamas, Multnomah, Washington |
| Tara Renee Mestrich | Community | English | Clatsop, Columbia, Tillamook |
| SVETLANA MICHALCHUK | Standardized | Russian | Clackamas, Multnomah |
| Jamie Celestia Michaud | Community | English, Other | Clackamas, Hood River, Multnomah, Washington |
| EILEEN MARIE MICKE-JOHNSON | Master | English | Jackson, Josephine |
| ASHLEY NICOLE MICKELS | Master | English | Hood River, Wasco |