| Name | Type | Language | Counties |
|---|---|---|---|
| Margaret G MacGillivray-Hossfield | Master | English | Clackamas, Multnomah, Washington |
| TONYA LATTANZI MADRIGAL | Master | English, Spanish | Clackamas |
| Irma Beatriz Madsen | Master | Spanish | Multnomah |
| AOIFE ROSE MAGEE | Master | English | All |
| KRISTIN Main | Master | English | All |
| DAWN ROXANN (ROXANN) MALMBERG | Master | English | Morrow, Umatilla |
| SHANNON MALUSEVIC | Master | English | Multnomah, Washington |
| EPHREM MAMO | Master | English, Other | Clackamas, Multnomah, Washington |
| AVA P MANASCO | Master | English, Other | All |
| HILARY MANKOFSKY | Community | English | All |
| Alexis Nicole Mann | Community | English | Douglas, Klamath, Lake |
| Victoria Marie Mann | Master | English | All |
| CHRISTEN MARIE MANSUETTI | Community | English | Jackson, Josephine |
| Laura Maravilla | Master | English, Spanish | All |
| Sarah Marble | Master | English, Spanish | All |
| TALIA MARCUCCI OSITIS | Master | English | Clackamas, Multnomah, Washington |
| Jessica R. Marie | Standardized | English | Marion, Polk, Yamhill |
| JESSICA MARIE | Community | English | Lane |
| Tammy S Marino | Master | English | All |
| Ahmed Marjan | Specialty Master | English | All |
| Beatriz Marron-Molina | Master | English, Spanish | All |
| AUTUM BREA MARSH | Community | English | Clatsop, Columbia, Tillamook |
| Nicole Martin | Community | English | Douglas |
| RHIANNON MARTIN | Master | English | Clackamas, Multnomah |
| TERESA LYNETTE MARTIN | Master | English | Jefferson |
| FERNANDO MARTINEZ | Master | English, Spanish | All |
| KATHRYN MARTINEZ | Community | English | All |
| THERESA MARTINEZ | Master | English | All |
| BRENDA MASSIE | Master | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| SHAWN BRUMBACH MASSINGALE | Master | English | Douglas |
| 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 |
| 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 | Benton, Linn, Marion, Polk, Yamhill |
| MARY MCNAMEE | Community | English | Coos, Curry |