| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | MANDY Lynn JOHNSON | Community | English | Lane |
| 0 | Rodney Scott Johnson | Community | English, Spanish | Marion, Polk, Yamhill |
| 0 | ASHLEY RAE JONES | Master | English | Benton, Lincoln, Linn |
| 11 | EDIE ANN JONES | Master | English | Deschutes, Hood River, Lane, Linn, Multnomah |
| 0 | GEORGIANN LABODA JONES | Master | English | Benton, Douglas, Lane, Linn, Multnomah |
| 0 | JACKIE JONES | Master | English | All |
| 1 | Jacqueline Marita Jones | Community | English | Clackamas, Multnomah |
| 0 | Melody Rose Jones-Quiring | Community | English | All |
| 0 | Anna M Jordan | Community | English | All |
| 24 | Lauren Elizabeth Josi | Master | English | All |
| 0 | LORENA JUAREZ | Standardized | English, Spanish | Jackson, Josephine, Klamath, Lake |
| 0 | Daina Carina Jung | Specialty Master | English, Spanish | All |
| 0 | RAINA KAHANU | Community | English | All |
| 0 | Lori Lynn Kaiser | Community | English | Lane |
| 1 | NICOLE LEE KALITA | Master | English | Benton, Linn |
| 24 | STEPHEN KARMOL | Master | English | All |
| 0 | HANNAH KEEN | Master | English, Spanish | Lane |
| 0 | Lynsey Kemplin | Master | English | Clackamas, Clatsop, Columbia, Multnomah, Washington |
| 0 | DENISE KEMRY-HUDSON | Community | English | All |
| 0 | JENNIFER DAWN KENNEDY | Community | English | All |
| 0 | Brielle J Kenney | Community | English | All |
| 1 | Charleen Lynn Kepner | Community | English | All |
| 29 | Rachel Ainsley Kessler | Specialty Master | English | All |
| 0 | MARTHA SILVIA KHAN | Standardized | English | Crook, Deschutes |
| 2 | Debra Whalley Kidney | Master | English | All |
| 0 | Mary Beth Kierstead | Community | English | Clackamas, Multnomah |
| 0 | MCKENZIE KIHS | Master | English | Crook, Deschutes, Jefferson |
| 0 | MARY ANNE KILLPACK | Master | English | Multnomah |
| 0 | APRIL KATHLEEN KILSTROM | Master | English | Clackamas, Multnomah |
| 4 | Younghee M Kim | Master | English, Other | Douglas, Jackson, Josephine, Klamath, Lane, Multnomah |
| 0 | HEATHER KINLIN | Master | English | Multnomah |
| 6 | Kristina Lynn Kirinch | Master | English | All |
| 0 | Tanya Michelle Kirk | Master | English | Marion, Polk, Yamhill |
| 6 | KATIE KISSINGER | Master | English | All |
| 0 | SYLVIA LEEANN KITTERMAN | Master | English | All |
| 0 | Holly Victoria Klein | Master | English | All |
| 0 | LEAH RUTH KNOKE | Community | English | Crook, Deschutes, Jefferson |
| 0 | SAMANTHA KNOUSE | Community | English | All |
| 11 | Lena Colleen Ko | Master | English | All |
| 1 | Angela C Koehler | Master | English | Clackamas |
| 0 | BRENDA ELIZABETH KOEHLER | Master | English | Clackamas, Multnomah |
| 6 | ERIN KOST | Master | English | All |
| 0 | KAREN JOAN KRAEMER | Community | English | Clackamas, Clatsop, Hood River, Multnomah, Washington |
| 0 | BreAnna Rashawn Krawczyk | Community | English | Josephine |
| 0 | KAREN JO KREITZER | Master | English | Clackamas, Marion |
| 0 | SUSY IVONNE KRISTIN | Community | Spanish | Clackamas, Columbia, Grant, Hood River, Jackson, Klamath, Lake, Marion, Multnomah, Tillamook, Wasco, Yamhill |
| 0 | Kim B Kurin | Community | English | Clackamas, Multnomah, Washington |
| 0 | MARSHA DENISE LA VERNE | Master | English | All |
| 30 | CAROL LAGANO MCMURDIE | Master | English | All |
| 0 | Chad Michael Lahr | Master | English | All |