| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | ELIZABETH LOPEZ | Standardized | Washington | |
| 0 | Dina Elvira Lopez Bautista | Standardized | English | Washington |
| 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 |
| 24 | Joan Marie Lowe | Master | English | Clackamas, Clatsop, Polk, Washington |
| 0 | GEOFFREY N LOWRY | Standardized | English | Jackson |
| 5 | Danielle Deome Lucas | Master | English | Clackamas, Multnomah, Washington |
| 0 | ANA LUGO-FERRIN | Master | Spanish | Coos, Curry |
| 0 | Jen Lumanlan | Master | English | All |
| 0 | Jackeline Luna | Master | Spanish | Multnomah |
| 0 | Julie Dawn Lusby | Standardized | English | Tillamook |
| 0 | MELISSA ANNE LUSK | Standardized | English | Washington, Yamhill |
| 0 | RUTH A. LUSK | Master | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| 1 | Nadia Berenice Lutje-Tort | Master | English, Spanish | Douglas, Lane, Linn |
| 1 | Katherine Louise Lydum- Fleener | Master | English | All |
| 0 | ALICE K. LYMAN | Master | English | Benton, Linn |
| 10 | PAULA INERY LYNAM | Master | English | All |
| 0 | BARBARA JEAN LYNCH | Community | English | All |
| 0 | JANET Vannoy LYNN | Master | English | Clackamas, Multnomah, Washington |