Mai hivatalos név
| Ország | Névváltozatok
|
| Theben1 ld. Devín | | |
| Theben2 ld. Thiva | | |
| Theben-Neudorf ld. Devínska Nová Ves | | |
| Thebes ld. Thiva | | |
| Theißholz ld. Tisovec | | |
| Theißhügel ld. Titel | | |
| Theresienring ld. Temerin | | |
| Theresienstadt ld. Terezín | | |
| Theresiopel1 ld. Subotica | | |
| Theresiopel2 ld. Vinga | | |
| Theresiopolis ld. Vinga | | |
| Thessaloniki / Qessalonikh | GR | "†Saloniki / Salonikh; Selânik [TR -1913]; Solun / Сoлун [mc., bg., sb.]; Selanik, Selaniki [al.]; Saloniki [nm.]; Salonicco, Tessalonica [ol.]; Saloniki / Сaлoники, †Solun' / Сoлунь [or.]; Salonika [an.]; Salonique [fr.]; Szaloniki [m |
| Thira1 / Θηρα | GR | †Sandorini / Σαντoρινη; Sira [TR -1830]; Santorino, Tera [ol.] |
| Thira2 ld. Tire | | |
| Thiva / Θηβα | GR | †Thive / Θηβαι; Theben [nm.]; Tebe [ol.]; Thebes [an.]; Théba [ma.] |
| Thive ld. Thiva | | |
| Thomasberg ld. Srbobran | | |
| Thorenburg ld. Turda | | |
| Thorn ld. Toruń | | |
| Tibeni | RO | Istensegíts [ma.] |
| Tichau ld. Tychy | | |
| Tichero / Tυχερo | GR | †Ticheron / Tυχερoν; †Tichion / Tυχιoν; Yedekli [TR -1913]; Ticheron / Тихepoн [BG 1913-19] |
| Ticheron ld. Tichero | | |
| Tichion ld. Tichero | | |
| Tiegenhof ld. Nowy Dwór Gdański | | |
| Tighina | MOL | Bendery / Бeндepы [OR 1812-1918]; Tighina [RO 1918-1940, 1941-44]; Bender / Бeндep [MOL 1944-91]; Bender [tr., ji.]; Bendery / Бeндepи [ukr.] |
| Tijesno | HR | Stretto [VE -1797, OL 1919-1943]; Stretto [AU 1797-1918, NM 1943-45] |
| Tilsit ld. Sovetsk | | |
| Tilžė ld. Sovetsk | | |
| Til'zit ld. Sovetsk | | |
