| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Priscilla Joan Lake | Standardized | English | Marion |
| 0 | SUZANNE REBECCA LAMOUREUX | Standardized | English | Lane |
| 14 | SHANDELL LANDON | Master | English | Crook, Deschutes, Jefferson |
| 6 | Jessica BETH LANGSAM | Master | English | All |
| 0 | ANN (Betsy) ELIZABETH LANGSTON | Community | English | Clackamas, Columbia, Coos, Hood River, Lane, Marion, Multnomah, Polk, Tillamook, Washington |
| 0 | JEREMY LANSING | Standardized | English | Lane |
| 0 | ARMAND JOSEPH LAREAU | Not given | English | All |
| 0 | Jessica Marie Larios | Master | English, Spanish | Marion, Polk |
| 0 | CATHERINE ANN LARIVE | Standardized | English | Jackson |
| 0 | KEVIN MERLAND LARSEN | Standardized | English, Spanish | Jefferson, Klamath |
| 187 | Leilani Grace Larsen | Master | English | All |
| 0 | AMY M LARSON | Community | English | Jackson, Josephine |
| 4 | KIMBERLY LARSON | Master | English | Clackamas, Hood River, Multnomah, Washington |
| 0 | LISA JANE LARSON | Not given | English | Multnomah |
| 1 | Darby Jean Lasley | Master | English | All |
| 0 | FRAN LAUGSAND | Standardized | English | Jackson, Josephine |
| 0 | KATHY KAY LAUTER | Standardized | English | Marion, Polk, Yamhill |
| 0 | HEIDI NOEL LAWLER | Community | English | Clackamas, Multnomah, Washington |
| 0 | Jennifer Lynne Lawler | Community | English | Washington |
| 5 | ASHLEY LINDBERG LAWRENCE | Master | English | Multnomah |