| Name | Type | Language | Counties |
|---|---|---|---|
| MAGDALYN RENE CHRISTINE LOWE | Standardized | ||
| GEOFFREY N LOWRY | Standardized | English | Jackson |
| Danielle Deome Lucas | Master | English | Clackamas, Multnomah, Washington |
| FERNANDA LUCAS DE LA TORRE RODRIGUEZ | Standardized | English, Spanish | Coos, Curry |
| ANA LUGO-FERRIN | Master | English, Spanish | Coos, Curry |
| Jen Lumanlan | Master | English | All |
| Jackeline Luna | Master | Spanish | Multnomah |
| Julie Dawn Lusby | Standardized | English | Tillamook |
| MELISSA ANNE LUSK | Standardized | English | Washington, Yamhill |
| RUTH A. LUSK | Master | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| Nadia Berenice Lutje-Tort | Master | English, Spanish | Douglas, Lane, Linn |
| Katherine Louise Lydum- Fleener | Master | English | All |
| ALICE K. LYMAN | Master | English | Benton, Linn |
| PAULA INERY LYNAM | Master | English | All |
| BARBARA JEAN LYNCH | Community | English | All |
| JANET Vannoy LYNN | Master | English | Clackamas, Multnomah, Washington |
| KIMBERLY LYON | Master | English | Clatsop, Columbia, Tillamook |
| Carole A Mace-Edwards-Jones | Master | English | Morrow, Umatilla, Union |
| Margaret G MacGillivray-Hossfield | Master | English | Clackamas, Multnomah, Washington |
| BETTY ANN MACTAVISH | Standardized | English | Morrow, Umatilla |
| TONYA LATTANZI MADRIGAL | Master | English, Spanish | Clackamas |
| Irma Beatriz Madsen | Master | Spanish | Multnomah |
| AOIFE ROSE MAGEE | Master | English | All |
| ELIZABETH MAY MAIA | Standardized | English, Spanish | Clackamas, Multnomah, Washington |
| KRISTIN Main | Master | English | All |
| SKIPPER MAINE | Standardized | English | Clackamas, Clatsop, Columbia, Linn, Marion, Multnomah, Tillamook, Washington, Yamhill |
| 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 |
| SUZANNE DENICE MANN-HEINTZ | Standardized | English | Douglas |
| 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 |
| JENNA GENEVE MARILUCH | Standardized | English | Klamath |
| Tammy S Marino | Master | English | All |
| Ahmed Marjan | Specialty Master | English | All |
| REGINA MARKS | Standardized | English | Gilliam, Hood River, Morrow, Umatilla |
| Beatriz Marron-Molina | Master | English, Spanish | All |
| AUTUM BREA MARSH | Community | English | Clatsop, Columbia, Tillamook |
| BRENDA FAYE MARSHALL | Not given | English | Multnomah |
| Sandra Marsili | Standardized | English | Clackamas, Multnomah, Washington |
| MIRANDA MARTIN | Community | English | Crook, Deschutes, Jefferson |
| Nicole Martin | Community | English | Douglas |