| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Teigur | city | Iceland | 63.73 | -20.00 | 291 | 0 | |
| Thingskalar | city | Iceland | 63.92 | -20.20 | 255 | 0 | |
| Thjodholfshagi | city | Iceland | 63.90 | -20.48 | 229 | 4 | |
| Thjorsartun | city | Iceland | 63.92 | -20.65 | 167 | 67 | |
| Thorunupur | city | Iceland | 63.77 | -20.13 | 505 | 105 | |
| Thufa | city | Iceland | 63.97 | -20.28 | 265 | 0 | |
| Thufa | city | Iceland | 63.72 | -20.48 | 6 | 0 | |
| Thvera | city | Iceland | 63.73 | -19.97 | 433 | 0 | |
| Thverlaekur | city | Iceland | 63.97 | -20.40 | 347 | 0 | |
| Thykkvibaer | city | Iceland | 63.75 | -20.62 | 36 | 107 | |
| Tjarnarkot | city | Iceland | 63.60 | -20.30 | 6 | 182 | |
| Torfastadhir | city | Iceland | 63.73 | -20.10 | 118 | 0 | |
| Torfastaðir | city | Iceland | 63.73 | -20.10 | 118 | 0 | |
| Tumastad | city | Iceland | 63.73 | -20.07 | 167 | 0 | |
| Tumastadhir | city | Iceland | 63.73 | -20.07 | 167 | 0 | |
| Tumastaðir | city | Iceland | 63.73 | -20.07 | 167 | 0 | |
| Tunga | city | Iceland | 63.75 | -20.07 | 387 | 0 |