| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Twatt | city | Shetland Islands | United Kingdom | 60.27 | -1.42 | 55 | 0 |
| Twdweiliog | city | Gwynedd | United Kingdom | 52.90 | -4.62 | 223 | 1909 |
| Tweedmouth | city | Northumberland | United Kingdom | 55.75 | -2.00 | 124 | 18498 |
| Tweedsmuir | city | The Scottish Borders | United Kingdom | 55.50 | -3.42 | 1217 | 1639 |
| Twenty | city | Lincolnshire | United Kingdom | 52.75 | -0.28 | 75 | 6445 |
| Twerton | city | Bath and North East Somerset | United Kingdom | 51.38 | -2.40 | 328 | 65615 |
| Twickenham | city | Richmond upon Thames | United Kingdom | 51.43 | -0.32 | 134 | 241441 |
| Twineham | city | West Sussex | United Kingdom | 50.95 | -0.22 | 147 | 20374 |
| Twitchen | city | Devon | United Kingdom | 51.06 | -3.73 | 830 | 3953 |
| Two Bridges | city | Devon | United Kingdom | 50.55 | -3.97 | 1669 | 1 |
| Twycross | city | Leicestershire | United Kingdom | 52.63 | -1.50 | 265 | 6441 |
| Twyford | city | Leicestershire | United Kingdom | 52.67 | -0.92 | 830 | 4209 |
| Twyford | city | Wokingham | United Kingdom | 51.47 | -0.85 | 167 | 64057 |
| Twyford | city | Hampshire | United Kingdom | 51.02 | -1.32 | 219 | 32638 |
| Twyn Llanan | city | Carmarthenshire | United Kingdom | 51.90 | -3.82 | 830 | 0 |
| Twynholm | city | Dumfries and Galloway | United Kingdom | 54.85 | -4.08 | 36 | 1337 |
| Twywell | city | Northamptonshire | United Kingdom | 52.38 | -0.60 | 219 | 13690 |