| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 1 | AMBER DAWN LOMASCOLA | Master | English | All |
| 0 | IRENE M LONDRAVILLE | Not given | English | Washington |
| 0 | KIMBERLY CRISS LONG | Master | English | Clackamas |
| 1 | Kristen (Kris) D Long | Master | English | Washington |
| 0 | Miranda Kaye Long | Master | English | All |
| 0 | CATHERINE JANINE LOOMIS | Not given | English | Lane |
| 0 | SCHLEE CRYSTINA LOOMIS PULIDO | Community | English | Clackamas, Hood River, Multnomah, Sherman, Wasco |
| 1 | RITA LOOP | Master | English, Spanish | Lane, Linn |
| 0 | RYAN LOOSLI | Standardized | English | Douglas |
| 0 | ELIZABETH LOPEZ | Standardized | Washington | |
| 0 | Dina Elvira Lopez Bautista | Standardized | English | Washington |
| 12 | ROBYN ANN LOPEZ MELTON | Master | English, Spanish | All |
| 0 | Jasmine Ujima Love | Master | English, Spanish, Other | 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 |