| Name | Type | Language | Counties |
|---|---|---|---|
| Sonia Hites Thomas | Master | English | All |
| KARYN (Kary) LYNN THOME | Standardized | ||
| Colleen Comfort Thompson | Master | English | All |
| Julia Hall Tomes | Master | English | Clackamas, Hood River, Lane, Multnomah, Washington |
| Dianice Marie Torrado | Master | English, Spanish | All |
| ANGELICA TORRES AGUILAR | Master | English, Spanish | Clackamas, Multnomah, Washington |
| JESSICA CHRISTINE TORSKE | Standardized | ||
| ALEXIS TRACY | Master | English | All |
| CCRR Trainer | Standardized | Not given | All |
| REBECCA KAY TREE | Master | English | All |
| David Michael Tremblay | Specialty Community | English | Crook, Deschutes, Jefferson |
| Jenifer Trivelli | Master | English | All |
| 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 |
| Kimberlee Rae Turner | Master | English | All |
| LISA MICHELLE TYNAN | Master | English, Other | All |
| TOMMY LYNN UDELL | Master | English | All |
| Lisa Uhl | Master | English | Clackamas, Marion, Polk, Washington, Yamhill |