| Name | Type | Language | Counties |
|---|---|---|---|
| Nancy Ruth Lechner | Master | English | All |
| YU YEN CHIU LEE | Community | Other | Multnomah, Washington |
| INGA LEED | Standardized | English | Jackson, Josephine |
| Emilee Leeper | Community | English | Jackson, Jefferson |
| SARAH ANNE LEHMANN | Community | English | Marion, Polk |
| ASHLEY CATHERINE LEIGH | Community | English | Clackamas, Multnomah, Washington |
| Carol A. Leitschuh | Master | English | All |
| CATHERINE ANN LEMBLE | Master | English | Jackson, Josephine |
| GABRIELA LEMUS-MACIAS | Master | English | Baker, Grant, Harney, Malheur, Morrow, Umatilla, Union, Wallowa |
| SHEILA KEEVER LENKER | Standardized | English | Yamhill |
| Nancy Leon | Master | English, Spanish | Clackamas, Multnomah, Washington |
| ROCAEL LEON | Standardized | English | Washington |
| ROSA ELIANA LEON | Standardized | Spanish | Washington |
| YESENIA LEON | Standardized | English, Spanish | All |
| Dianne (Nan) Ellen LeRoy | Master | English | Clackamas, Multnomah, Washington |
| KAREN LOUISE LESHER | Standardized | English | All |
| Donna Leveridge-Campbell | Master | English | Coos, Curry |
| LuRae Levering | Master | English | Clackamas, Multnomah, Washington |
| Adriana Duran Levine | Master | English | Multnomah, Washington |
| Joni R Levine | Master | English | All |
| DEBRA LEVY | Standardized | English | Lane |
| Kaitlin Rose Lewallen | Master | English | All |
| HILLARY ROSS LEWIS | Master | English | All |
| Kianna Lewis | Master | English | All |
| RUTH M LEWIS | Standardized | English | Marion, Polk, Yamhill |
| MICHELLE KIRSTEN LEWIS-FANTINI | Master | English | All |
| BRENDA LEWIS-HO | Standardized | English | Baker |
| KARLA LIBBY | Multnomah | ||
| CLAIRE LICHTENHELD | Master | English | Clackamas, Multnomah, Washington |
| Paige E Light | Master | English | All |
| Toni Denise Lincoln | Not given | English | Multnomah |
| Sarah Rae Lind | Master | English | All |
| STEPHANIE ANN HIBBS LIND | Standardized | English | Washington |
| KIMBERLY ANN LINDELL | Master | English | All |
| KATHY LINDSLEY | Not given | English | |
| Jill Lynn Linebarger | Community | English | Klamath |
| LAURA LIRETTE | Standardized | English | Multnomah |
| SUSAN MAE LISSMAN | Master | English | Baker, Gilliam, Grant, Hood River, Morrow, Sherman, Union, Wasco, Wheeler |
| AMY VICTORIA LIVINGSTON | Community | English | Clackamas, Marion, Multnomah, Washington, Yamhill |
| ROBIN Lynn LLOYD | Master | English | Multnomah, Washington |
| NATALIE CHRISTINE LO | Master | English | Coos |
| ROSIE LOCATI | Not given | English | Marion |
| BRUCE LOFLAND | Standardized | English | Columbia |
| MARGO LORETTA LOGAN | Community | English | Multnomah |
| Jamie Lea Loiland | Standardized | English | Baker, Gilliam, Grant, Hood River, Malheur, Morrow, Umatilla, Union, Wallowa, Wasco, Wheeler |
| MARY ANN LOILAND | Standardized | English | Morrow, Umatilla |
| Erin Michelle Lolich | Master | English | All |
| AMY ALISA LOMANTO | Master | English | All |
| AMBER DAWN LOMASCOLA | Master | English | All |
| IRENE M LONDRAVILLE | Not given | English | Washington |