| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | KIMBERLY CRISS LONG | Master | English | Clackamas |
| 1 | Kristen (Kris) D Long | Master | English | Washington |
| 0 | Miranda Kaye Long | Master | English | All |
| 0 | SCHLEE CRYSTINA LOOMIS PULIDO | Community | English | Clackamas, Hood River, Multnomah, Sherman, Wasco |
| 12 | ROBYN ANN LOPEZ MELTON | Master | English, Spanish | All |
| 0 | Amy Nicole Lovelace | Master | English | Clackamas, Clatsop, Coos, Curry, Douglas, Hood River, Josephine, Klamath, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Wasco, Washington, Yamhill |
| 0 | SHEILA LOVELY | Community | English | Lane, Marion, Multnomah, Polk, Washington |
| 0 | GEOFFREY N LOWRY | Standardized | English | Jackson |
| 0 | ANA LUGO-FERRIN | Master | Spanish | Coos, Curry |
| 0 | Jen Lumanlan | Master | English | All |
| 0 | Jackeline Luna | Master | Spanish | Multnomah |
| 0 | MELISSA ANNE LUSK | Standardized | English | Washington, Yamhill |
| 1 | Nadia Berenice Lutje-Tort | Master | English, Spanish | Douglas, Lane, Linn |
| 1 | Katherine Louise Lydum- Fleener | Master | English | All |
| 10 | PAULA INERY LYNAM | Master | English | All |
| 0 | BARBARA JEAN LYNCH | Community | English | All |
| 0 | KIMBERLY LYON | Master | English | Clatsop, Columbia, Tillamook |
| 0 | Margaret G MacGillivray-Hossfield | Master | English | Clackamas, Multnomah, Washington |
| 0 | TONYA LATTANZI MADRIGAL | Master | English, Spanish | Clackamas |
| 61 | AOIFE ROSE MAGEE | Master | English | All |
| 2 | DAWN ROXANN (ROXANN) MALMBERG | Master | English | Morrow, Umatilla |
| 5 | SHANNON MALUSEVIC | Master | English | Multnomah, Washington |
| 0 | EPHREM MAMO | Master | English, Other | Clackamas, Multnomah, Washington |
| 0 | AVA P MANASCO | Master | English, Other | All |
| 0 | HILARY MANKOFSKY | Community | English | All |
| 0 | Alexis Nicole Mann | Community | English | Douglas, Klamath, Lake |
| 0 | CHRISTEN MARIE MANSUETTI | Community | English | Jackson, Josephine |
| 0 | Laura Maravilla | Master | English, Spanish | All |
| 1 | Sarah Marble | Master | English, Spanish | All |
| 0 | TALIA MARCUCCI OSITIS | Master | English | Clackamas, Marion, Multnomah, Polk, Washington |
| 0 | Jessica R. Marie | Standardized | English | Marion, Polk, Yamhill |
| 0 | JESSICA MARIE | Community | English | Lane |
| 279 | Tammy S Marino | Master | English | All |
| 1 | Ahmed Marjan | Specialty Master | English | All |
| 5 | Beatriz Marron-Molina | Master | English, Spanish | All |
| 0 | Nicole Martin | Community | English | Douglas |
| 0 | RHIANNON MARTIN | Master | English | Clackamas, Multnomah |
| 0 | TERESA LYNETTE MARTIN | Master | English | Jefferson |
| 0 | FERNANDO MARTINEZ | Community | English, Spanish | All |
| 1 | KATHRYN MARTINEZ | Community | English | All |
| 4 | THERESA MARTINEZ | Master | English | All |
| 0 | Victoria Marie Martinez | Master | English | All |
| 0 | BRENDA MASSIE | Master | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| 0 | SHAWN BRUMBACH MASSINGALE | Master | English | Douglas |
| 0 | Adriane Michele Matherne | English | All | |
| 1 | LISA DARLENE MATHIS | Master | English | Crook, Deschutes, Jefferson |
| 5 | Miren Mattson | Master | English | Benton, Lane, Linn, Marion |
| 0 | Massene Mboup | Master | English, Other | All |
| 2 | JENIFER ANN MCALLISTER | Master | English | Benton, Lincoln, Linn |
| 3 | HAILEE MCBURNEY | Master | English | All |