| tunnland | acre |
| Tunnskiktskromatografi | Thin layer chromatography |
| tunnsådd | sparse |
| tunntarm | small intestine |
| tunnvalv | barrel vault |
| tunt skikt | film |
| Tuomas Holopainen | Tuomas Holopainen |
| Tupac Amaru | Túpac Amaru |
| Tupac Shakur | Tupac Shakur |
| Tupai | Tupai |
| tupel | tuple |
| tupera | tease |
| Tupolev | Tupolev |
| tupp | cock |
| tuppfäktning | cockfight |
| tuppkam | comb |
| tuppkyckling | cockerel |
| tupplur | doze |
| Tupua Tamasese Tupuola Tufuga Efi | Tupuola Tufuga Efi |
| tupé | toupee |
| tur | turn |
| Tur Abdin | Tur Abdin |
| tur och retur | return journey |
| tur- och returresa | round trip |
| Turan | Turan |
| Turandot | Turandot |
| Turangalîlasymfonin | Turangalîla-Symphonie |
| turas om | take turns |
| turban | turban |
| turbin | turbine |
| Turbinicarpus | Turbinicarpus |
| Turbo Out Run | Turbo Outrun |
| Turbo Pascal | Turbo Pascal |
| turbojetmotor | turbojet |
| turbojetplan | turbojet |
| turboladdare | turbocharger |
