| Name | Type | Language | Counties |
|---|---|---|---|
| KATHRYN MARTINEZ | Community | English | All |
| THERESA MARTINEZ | Master | English | All |
| LUZ ANTONIA MARTINEZ VALDEZ | Community | Spanish | All |
| BRENDA MASSIE | Master | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| SHAWN BRUMBACH MASSINGALE | Master | English | Douglas |
| RONDA MASSON | Standardized | ||
| LISA DARLENE MATHIS | Master | English | Crook, Deschutes, Jefferson |
| MIREN MATTSON | Master | English | Benton, Lane, Linn, Marion |
| Massene Mboup | Master | English, Other | All |
| JENIFER ANN MCALLISTER | Master | English | Benton, Lincoln, Linn |
| HAILEE MCBURNEY | Master | English | All |
| Jessica Lyn McClintic | Master | English | All |
| NATALYA MCCOMAS | Master | English | Lane |
| Joyce Deana McCoy | Master | English | All |
| Sara Beth McCutchen | English | All | |
| Alisa Ann McDonald | Master | English | Douglas |
| BROOKE JEAN MCDONALD | Community | English | All |
| KATHLEEN MARY MCDONNELL | Master | English | Benton, Lane, Lincoln |
| RHONDA SUE MCDOWALL | Master | English | All |
| DANIELLE (Dani) MCFARLAND | Master | English | Clackamas, Hood River, Multnomah, Washington |
| AREATAE N MCGHEE | 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 |
| JENNIFER ABIGAIL COOPER MCMULLEN | Master | English, Spanish | All |
| MARY MCNAMEE | Community | English | Coos, Curry |
| CARRIE LEAGH MCNEES | Community | English | Lane |
| COLLEEN MEACHAM | Community | English | Clackamas, Multnomah, Washington, Yamhill |
| Marina Anatolyevna Meaney | Master | English, Russian | All |
| LARISSA CHRISTINE MEANY | Community | English | Jackson |
| TRISTA IRENE MEEK | Community | English | Umatilla, Union |
| 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 |
| ABIGAIL ELIZABETH MENDEZ | Master | English, Spanish | Clackamas, Multnomah, Washington |
| Victoria Mendoza | Standardized | English, Spanish | |
| Aidee Mendoza Cortes | Standardized | English, Spanish | |
| VERONICA MENDOZA OCHOA | Master | English, Spanish | Marion |
| NATALIA MERECIAS CUEVAS | Community | English, Spanish | Washington |
| DIANA ELIZABETH MESSNER LOPEZ | Community | English | All |
| 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 |
| Jennifer Ann Mierkey | Community | English | Jackson |
| KALLIE MILL | Master | English | Coos, Crook |
| Katrina Aline Miller | Master | English | All |
| KIMBERLY (Kim) MILLER | Standardized | English | Josephine |
| Melanie Eileen Miller | Master | English | Crook, Deschutes, Jefferson |