| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tandrastadhir | city | Austurland | Iceland | 65.13 | -13.92 | 341 | 22 |
| Tandrastaðir | city | Austurland | Iceland | 65.13 | -13.92 | 341 | 22 |
| Teigargerdhi | city | Austurland | Iceland | 65.03 | -14.19 | 22 | 437 |
| Teigargerði | city | Austurland | Iceland | 65.03 | -14.19 | 22 | 437 |
| Teigarhorn | city | Austurland | Iceland | 64.67 | -14.34 | 3 | 238 |
| Teigarsel | city | Austurland | Iceland | 65.37 | -14.73 | 830 | 0 |
| Teigur | city | Austurland | Iceland | 65.63 | -15.06 | 131 | 0 |
| Thernunes | city | Austurland | Iceland | 64.98 | -13.88 | 3 | 0 |
| Thiljuvellir | city | Austurland | Iceland | 64.70 | -14.28 | 0 | 197 |
| Thinganes | city | Austurland | Iceland | 64.28 | -15.13 | 0 | 607 |
| Thingmuli | city | Austurland | Iceland | 65.04 | -14.65 | 390 | 0 |
| Thorbrandsstadhir | city | Austurland | Iceland | 65.63 | -15.04 | 830 | 0 |
| Thorgeirsstadhir | city | Austurland | Iceland | 64.34 | -14.93 | 16 | 0 |
| Thorgerdharstadhir | city | Austurland | Iceland | 64.93 | -15.05 | 830 | 1 |
| Thorgrimsstadhir | city | Austurland | Iceland | 64.89 | -14.50 | 380 | 0 |
| Thorisdalur | city | Austurland | Iceland | 64.42 | -14.93 | 101 | 0 |
| Thorsmork | city | Austurland | Iceland | 65.25 | -14.01 | 131 | 524 |
| Thorsnes | city | Austurland | Iceland | 65.55 | -14.11 | 377 | 0 |
| Thorvaldsstadhir | city | Austurland | Iceland | 65.74 | -15.09 | 830 | 0 |
| Thorvaldsstadhir | city | Austurland | Iceland | 65.03 | -14.68 | 830 | 0 |
| Thorvaldsstadhir | city | Austurland | Iceland | 64.90 | -14.32 | 830 | 0 |
| Thrandarstadhir | city | Austurland | Iceland | 65.51 | -13.78 | 830 | 0 |
| Thrandarstadhir | city | Austurland | Iceland | 65.30 | -14.35 | 318 | 497 |
| Thuridharstadhir | city | Austurland | Iceland | 64.98 | -15.12 | 252 | 86 |
| Thverhamar | city | Austurland | Iceland | 64.81 | -13.98 | 905 | 191 |
| Thverholagerdhi | city | Austurland | Iceland | 65.32 | -14.47 | 324 | 188 |
| Thvotta | city | Austurland | Iceland | 64.51 | -14.51 | 65 | 0 |
| Tjarnarland | city | Austurland | Iceland | 65.46 | -14.34 | 160 | 0 |
| Toarsel | city | Austurland | Iceland | 64.87 | -14.32 | 830 | 0 |
| Tokastadhir | city | Austurland | Iceland | 65.33 | -14.32 | 830 | 119 |
| Tokastaðir | city | Austurland | Iceland | 65.33 | -14.32 | 830 | 119 |
| Torfastadhir | city | Austurland | Iceland | 65.65 | -14.46 | 49 | 0 |
| Torfastadhir | city | Austurland | Iceland | 65.74 | -14.93 | 26 | 114 |
| Torfastaðir | city | Austurland | Iceland | 65.74 | -14.93 | 26 | 114 |
| Torfastaðir | city | Austurland | Iceland | 65.65 | -14.46 | 49 | 0 |
| Tunga | city | Austurland | Iceland | 64.93 | -14.09 | 39 | 198 |
| Tunguhagi | city | Austurland | Iceland | 65.16 | -14.53 | 193 | 0 |
| Tunguhlidh | city | Austurland | Iceland | 64.55 | -14.76 | 131 | 0 |
| Tunguhlíð | city | Austurland | Iceland | 64.55 | -14.76 | 131 | 0 |
| Tvisker | city | Austurland | Iceland | 63.97 | -16.44 | 39 | 0 |