| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Fahan | city | County Donegal | Ireland | 55.0886111 | -7.4741667 | 0 | 1339 |
| Fahan | city | County Donegal | Ireland | 55.2830556 | -7.2269444 | 104 | 2193 |
| Falcaragh | city | County Donegal | Ireland | 55.1333333 | -8.1 | 187 | 1364 |
| Falcarragh | city | County Donegal | Ireland | 55.1333333 | -8.1 | 187 | 1364 |
| Fallask | city | County Donegal | Ireland | 55.1797222 | -7.4069444 | 377 | 2296 |
| Falmore | city | County Donegal | Ireland | 55.2486111 | -7.0858333 | 272 | 2115 |
| Falprobog | city | County Donegal | Ireland | 55.2808333 | -7.4991667 | 32 | 1318 |
| Fathain | city | County Donegal | Ireland | 55.0886111 | -7.4741667 | 0 | 1339 |
| Faugher | city | County Donegal | Ireland | 55.1727778 | -7.9166667 | 82 | 1218 |
| Fegart | city | County Donegal | Ireland | 55.2927778 | -7.3105556 | 0 | 1799 |
| Fern Hill | city | County Donegal | Ireland | 55.0508333 | -7.7422222 | 190 | 2262 |
| Figart | city | County Donegal | Ireland | 54.8572222 | -7.6325 | 196 | 2314 |
| Finmore Bridge | city | County Donegal | Ireland | 54.6475 | -7.9977778 | 577 | 2326 |
| Finnabanes | city | County Donegal | Ireland | 54.6711111 | -8.0358333 | 295 | 2324 |
| Fintown | city | County Donegal | Ireland | 54.8705556 | -8.1133333 | 557 | 2314 |
| Flemings Town | city | County Donegal | Ireland | 54.8822222 | -7.6708333 | 452 | 2310 |
| Fort Stewart | city | County Donegal | Ireland | 55.0191667 | -7.5927778 | 0 | 1532 |
| Fort Stewart House | city | County Donegal | Ireland | 55.0191667 | -7.5927778 | 0 | 1532 |
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