| Name | Type | Language | Counties |
|---|---|---|---|
| Elisha Janay Mitchell | Standardized | ||
| JULIE MITCHELL | Master | English | Jefferson |
| KRISTIN GRACE CHIYOKO MIYAMOTO | Community | English | Clackamas, Columbia, Hood River, Marion, Multnomah, Polk, Wasco, Washington, Yamhill |
| HEATHER MOATE | Standardized | English | Clackamas, Lane, Marion, Multnomah, Polk, Washington, Yamhill |
| MARTHA MOEHRING | Standardized | English | Coos, Curry, Lane |
| KATHERINE Lynn MOHR | Master | English | All |
| ANGELICA MARINA MOLINA ALVAREZ | Master | English, Spanish | All |
| ELIAS MOLINA REYES | Standardized | English, Spanish | Multnomah |
| Ingeborg Ingrid Momberg | Community | English, Spanish | Benton, Lane, Lincoln, Marion, Polk, Yamhill |
| NORMA MONDRAGON HERNANDEZ | Community | English, Spanish | Multnomah, Washington |
| CONNIE MONTAGUE | Not given | English | Polk |
| Cristina Raya Montes | Master | English, Spanish | Morrow, Umatilla |
| Rocio Montes | Standardized | English, Spanish | Coos, Douglas |
| John K Moore | Standardized | ||
| PATRICIA ANNE MOORE | Community | English | All |
| CAROL ANN MOOREHEAD | Master | English | All |
| KAREN A. MOORHEAD | Standardized | English | Benton, Clackamas, Columbia, Linn, Marion, Multnomah, Polk, Tillamook, Washington |
| Joanna Therese Morales | Community | English, Spanish | All |
| MARY JANE MORALES | Not given | English | Malheur |
| GISELA MARIA MORALES BENITEZ | Master | English, Spanish | All |