rumänische Ortsnamen
| Toaca |
| Toarcla |
| Toderita |
| Tohan |
| Tohanul Nou |
| Toldal |
| Toleseni |
| Tomesti (bei Brad) |
| Tomesti (bei M. Ciuc) |
| Tomnatex |
| Tomusesti |
| Tonciu (bei Bistrita) |
| Tonciu (bei Reghin) |
| Topa |
| Topicea |
| Toplita (bei Hunedoara) |
| Toplita (bei Gheorgheni) |
| Toplita Muresului |
| Toplita-Ciuc |
| Torba |
| Torocpatac |
| Totesti |
| Totia |
| Totoiu |
| Tranisu |
| Trei Fintini |
| Trei Sate |
| Trestia (bei Huedin) |
| Trestia (bei Brad) |
| Treznea |
| Trimpoaiele |
| Tritenii Colonia |
| Tritenii de Jos |
| Tritenii de Sus |
| Tritenii Hotar |
| Troita |
| Tufalau |
| Tulghes |
| Turda |
| Turdas ( bei Deva) |
| Turdas (bei Turda) |
| Turdeni |
| Turea |
| Tureac |
| Tureni |
| Turia |
| Turnisor |
| Turnu Rosu |
| Tusinu |
| Tusnad |
| Tusnadu Nou |
| Tustea |
- |
deutsche Ortsnamen
| - |
| Tarteln |
| - |
| Alt-Tauchen |
| Törzdorf |
| - |
| - |
| - |
| - |
| - |
| - |
| Tatsch |
| Tesch |
| Kleinbun |
| Tschappertsch |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Teufelsbrunn |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Thorenburg |
| Tordesch |
| Torendorf |
| - |
| - |
| - |
| - |
| - |
| Neppendorf |
| Schweinsdorf |
| - |
| - |
| - |
| Tustendorf |
|
ungarische Ortsnamen
| Toka |
| Kisprazsmar |
| - |
| Otohan |
| Ujtohan |
| Toldalag |
| - |
| - |
| Csikszenttamas |
| - |
| - |
| Tacs |
| Tancs |
| Kisbun |
| Toporcsa |
| - |
| Marosheviz |
| - |
| Csiktaploca |
| Torboroszlo |
| Törökpatak |
| - |
| - |
| Tate |
| Tranyis |
| Haromkut |
| Harmasfalu |
| Komlosujfalu |
| Nadfalya |
| Ördögkut |
| - |
| Detrehemtelep |
| Alsodetrehem |
| Felsödetrehem |
| Trisoaitanyak |
| Szentharomsag |
| Csofalva |
| Gyergyotölgyes |
| Torda |
| Tordos |
| Tordos |
| Tordatfalva |
| Türe |
| Turjago |
| Tordatur |
| Toria |
| Kistorony |
| Porcsesd |
| Aranylabutuzson |
| Tusnadfalu |
| Ujtusnad |
| Tustye |
|