| to thine own self be true | sé sincero contigo mismo |
| To think about | Meditación |
| to this day | hasta ahora |
| To throw dice | Dado |
| to thwart | antagonismo |
| To tint | Color |
| To tipple | Bebida |
| to transmit | envie |
| To trasure | Coleccionismo |
| to treat | tratar |
| To upchuck | Vómito |
| To upraise | Palanca |
| To vaporise | Evaporación |
| To Vima | To Vima |
| To ween | Esperanza |
| to what degree | hasta qué punto |
| to what extent | hasta qué punto |
| to whir | zurrir |
| to whom this may concern | a quien corresponda |
| to wit | es decir |
| To yeld | Ceder |
| To Your Scattered Bodies Go | A vuestros cuerpos dispersos |
| to-day | hoy |
| toad | sapo |
| Toad the Wet Sprocket | Toad The Wet Sprocket |
| toadstool | seta |
| toady | adular |
| Toamasina | Toamasina |
| Toamasina Province | Provincia de Toamasina |
| toast | tostar |
| toaster | tostador |
| Toau | Toau |
| Toba catastrophe theory | Teoría de la catástrofe de Toba |
| tobacco | tabaco |
| tobacco pipe | pipa |
| tobacconist | estanquero |
| tobacconist's | tabaquería |
| Tobago | Tobago |
| Tobe Hooper | Tobe Hooper |
| Tobey Maguire | Tobey Maguire |
| Tobian language | Idioma tobiano |
| Tobias | Tobías |
| Tobias Barreto de Meneses | Tobias Barreto |
| Tobias Michael Carel Asser | Tobias Michael Carel Asser |
| Tobias Smollett | Tobias Smollett |
| Tobin tax | Tasa Tobin |
| toboggan | tobogán |
| Tobol River | Tobol |
| Tobolsk | Tobolsk |
| Tobruk | Tobruk |
| Tocache Province | Provincia de Tocache |
| Tocantins | Tocantins |
| Tocantins River | Tocantins |
| toccata | tocata |
| Tocharian | tocario |
| Tocharian A | tocario A |
| Tocharian B | tocario B |
| Tocharian languages | Idioma tocario |
| Tocharians | Tocarios |
| Tochigi | Tochigi |
| Tochigi Prefecture | Prefectura de Tochigi |
| Toci | Toci |
| Tockus | Tockus |
| Tocopherol | Vitamina E |
| Tocopilla | Tocopilla |
| Tocopilla Province | Provincia de Tocopilla |
| tocsin | campana de alarma |
| Tocumen International Airport | Aeropuerto Internacional de Tocumen |
| Tod Browning | Tod Browning |
| Toda of Navarre | Toda de Navarra |
| today | hoy |
| Todd Haynes | Todd Haynes |
| Todd Martin | Todd Martin |
| Todd Rundgren | Todd Rundgren |
| Todd Solondz | Todd Solondz |
| toddle | andar tambaleándose |
| toddler | niño |
| Todor Zhivkov | Todor Zhivkov |
| Todos los Santos Lake | Lago Todos los Santos |
| toe | dedo |
