| Name | Type | Language | Counties |
|---|---|---|---|
| Colleen Comfort Thompson | Master | English | All |
| KATHY R. THOMPSON | Master | English | All |
| STEPHAINE FRANCES THOMPSON | Standardized | ||
| PATTY J. TIPTON | Specialty Community | English | Marion |
| MARIA DEL CARMEN TITUS | Standardized | English, Spanish | Washington |
| Laurie Lynne Todd | Master | English | Clackamas, Multnomah, Washington |
| JOYCE TOMBAUGH | Master | English | Clackamas, Multnomah, Washington |
| Julia Hall Tomes | Master | English | Clackamas, Hood River, Lane, Multnomah, Washington |
| MICHELLE MARIE TONEY | Standardized | English | Clackamas, Multnomah, Washington, Yamhill |
| DIANICE TORRADO | Master | English, Spanish | All |
| ANGELICA TORRES AGUILAR | Master | English, Spanish | Clackamas, Multnomah, Washington |
| JESSICA CHRISTINE TORSKE | Standardized | ||
| Ana Maria Tovar | Standardized | Spanish | Jackson |
| MONICA TOVAR | Standardized | Spanish | Multnomah, Washington |
| ALEXIS TRACY | Master | English | All |
| ALBA TRAIL | Standardized | English | Coos |
| CCRR Trainer | Standardized | Not given | All |
| JENNIFER A. TRAINOR | Standardized | English | Malheur |
| LINDA LEE TRAN | Standardized | English | All |
| THU-THUY THI TRAN | Not given | English | Marion |
| REBECCA KAY TREE | Master | English | All |
| David Michael Tremblay | Specialty Community | English | Crook, Deschutes, Jefferson |
| PAMELA TRENARY | Standardized | English | Clatsop |
| AIDALU TREVINO | Standardized | Marion | |
| LYNN M. TRICE | Master | English | Baker, Umatilla, Union |
| Jenifer Trivelli | Master | English | All |
| CHERYL TROSPER | Standardized | English | Multnomah |
| LIZBETH TRUJILLO | Master | English, Spanish | All |
| MAARJA TRUJILLO | Master | English, Spanish | Marion, Polk |
| Amber C Tucker | Master | English | Coos, Curry, Douglas, Lane |
| YELENA TUCKER | Master | English, Russian | All |
| MEREDITH TUFTS | Master | English | Deschutes |
| Diane Lynn Turnbull | Standardized | English | Crook, Deschutes, Jefferson |
| Kimberlee Rae Turner | Master | English | All |
| RACHEL JANE TURNER | Master | English | Lane |
| TONI TURNER | Standardized | English | Deschutes |
| MELODY TUTTLE | Not given | English | Lane |
| Elizabeth Ruth Twombly | Master | English | All |
| LISA MICHELLE TYNAN | Master | English, Other | All |
| Jeanine Marie Tyrrell Owens | Not given | English | Clackamas |
| TOMMY LYNN UDELL | Master | English | All |
| Lisa Uhl | Master | English | Clackamas, Marion, Polk, Washington, Yamhill |
| KATIE JO ULREY | Community | English | Jackson |
| TAMARA DENISE ULRICH | Master | English | All |
| CHRISTINA B UNGA | Community | English | Multnomah |
| DAFNE BERENICE VALENCIA VIRRUETA | Master | English, Spanish | All |
| VERONICA VALLEJO | Not given | English | |
| MELISSA QUINN RATHBUN VAN BERGEN | Master | English | All |
| RAYANNA ELAINE VAN DINE | Master | English | Baker, Morrow, Umatilla, Union |
| Renee Koehler Van Norman | Master | English | All |