Pagasti TU| Tadaiken | Libau | Tadaiķu |
| Talkowa | Neu-Letgallen | Linavas |
| Taubenhof | Wolmar | Tūjas |
| Tauerkaln | Bauske | Taurkalnes |
| Taurup | Riga | Taurupes |
| Telsen | Libau | Tāšu |
| Tetelmuende | Mitau | Teteles |
| Thomsdorff | Riga | Tomes |
| Tirsen | Modohn | Tirzas |
| Torney | Wolmar | Ternejas |
| Treppenhof | Walk | Trapenes |
| Treyden | Riga | Turaidas |
| Trikaten | Walk | Trikātes |
| Tummen | Tuckum | Tumes |
| Turlau | Goldingen | Turlavas |
| Ubbenorm | Wolmar | Umurgas |
| Uexkuell | Riga | Ikšķiles |
| Ugahlen | Windau | Ugāles |
| Ullmahlen | Hasenpoth | Ulmales |
| Ulpisch | Wolmar | Stienes |
| Upmales | Neu-Letgallen | Upmales |
| Uppegriwe | Talsen | Upesgrīvas |
| Uschwalde | Duenaburg | Izvaldas |
| Usmaiten | Windau | Usmas |