| tjongen | boy |
| Tjonger | Tjonger |
| Tjongercultuur | Federmesser culture |
| tjonges | boy |
| Tjóðveldisflokkurin | Republican Party |
| Tjörn | Tjörn Municipality |
| Tjörnin | Tjörnin |
| Tjøme | Tjøme |
| Tk | TK |
| Tkibuli | Tkibuli |
| tl | neon light |
| tl-buis | fluorescent lamp |
| Tlacaellel | Tlacaelel |
| Tlalnepantla | Tlalnepantla de Baz |
| Tlaloc | Tlaloc |
| Tlaxcala | Tlaxcala |
| Tlemcen | Tlemcen |
| Tlingit | Tlingit |
| Tlmače | Tlmače |
| Tloque Nahuaque | Ometecuhtli |
| TLR | Twin-lens reflex camera |
| TM | TM |
| TMA | Trimethoxyamphetamine |
| tmesis | tmesis |
| TMNT | TMNT |
| TNM | TNM |
| TNO | Netherlands Organisation for Applied Scientific Research |
| TNT | TNT |
| TNT-equivalent | TNT equivalent |
| To Autumn | To Autumn |
| To Catch a Thief | To Catch a Thief |
| To Hell and Back | To Hell and Back |
| To His Coy Mistress | To His Coy Mistress |
| To Kill a Mockingbird | To Kill a Mockingbird |
| To Record Only Water for Ten Days | To Record Only Water for Ten Days |
| Toamasina | Toamasina |
| Toano | Toano |
| Toarcien | Toarcian |
| toast met gesmolten kaas | Welsh rarebit |
| Toba | Lake Toba |
| Toba-catastrofetheorie | Toba catastrophe theory |
| Tobacco Road | Tobacco Road |
| Tobago | Tobago |
| Tobaj | Tobaj |
| Tobameer | Lake Toba |
| tobbe | tub |
| tobben | slave away |
| tobben over | brood over |
| Tobe Hooper | Tobe Hooper |
| Tobel-Tägerschen | Tobel-Tägerschen |
| Tobey Maguire | Tobey Maguire |
| Tobiaans | Tobian language |
| Tobias | Tobias |
| Tobias Asser | Tobias Michael Carel Asser |
| Tobias Smollett | Tobias Smollett |
| Tobintaks | Tobin tax |
| Tobit | Book of Tobit |
| Toblach | Toblach |
| Tobol | Tobol River |
| Tobol Kustanai | FC Tobol |
| Tobolsk | Tobolsk |
| Tobroek | Tobruk |
| Toby Mac | TobyMac |
| Tocantins | Tocantins |
| Tocco da Casauria | Tocco da Casauria |
| Toce | Toce |
| toch | but |
| Tochaars | Tocharian languages |
| Tochigi | Tochigi Prefecture |
| tocht | draft |
| Tocht naar Chatham | Raid on the Medway |
| tochtig | in heat |
