| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Fiddaun | city | Gaillimh | Ireland | 53.0186111 | -8.8647222 | 150 | 2789 |
| Fiddaun | city | Gaillimh | Ireland | 53.1694444 | -8.7358333 | 223 | 2884 |
| Fiddaun Bridge | city | Cill Chainnigh | Ireland | 52.5122222 | -7.0308333 | 498 | 3315 |
| Fiddow Bridge | city | Port Lairge | Ireland | 52.325 | -7.3216667 | 45 | 4022 |
| Fiddown | city | Cill Chainnigh | Ireland | 52.33 | -7.3155556 | 29 | 4022 |
| Fieries | city | | Ireland | 52.1666667 | -9.6 | 239 | 2422 |
| Fieries | city | Ciarrai | Ireland | 52.2083333 | -9.4288889 | 242 | 2422 |
| Fieries Cross Roads | city | Ciarrai | Ireland | 52.165 | -9.6058333 | 236 | 2423 |
| Figart | city | County Donegal | Ireland | 54.8572222 | -7.6325 | 196 | 2314 |
| Fighting Cooks Cross Roads | city | County Carlow | Ireland | 52.7591667 | -6.85 | 367 | 4222 |
| Figlash | city | Tiobraid Arann | Ireland | 52.3744444 | -7.4491667 | 88 | 3612 |
| Finavarra | city | An Clar | Ireland | 53.1513889 | -9.1005556 | 45 | 1170 |
| Finea | city | An Iarmhi | Ireland | 53.7666667 | -7.3833333 | 232 | 2729 |
| Finglas | city | | Ireland | 53.3891667 | -6.2969444 | 62 | 101763 |
| Fingreagh | city | County Leitrim | Ireland | 54.1861111 | -8.0997222 | 374 | 1408 |
| Finisklin | city | Gaillimh | Ireland | 53.3144444 | -9.2386111 | 413 | 2874 |
| Finmore Bridge | city | County Donegal | Ireland | 54.6475 | -7.9977778 | 577 | 2326 |
| Finnabanes | city | County Donegal | Ireland | 54.6711111 | -8.0358333 | 295 | 2324 |
| Finnahy | city | Tiobraid Arann | Ireland | 52.7119444 | -7.9805556 | 652 | 2847 |
| Finnanfield | city | Corcaigh | Ireland | 52.0355556 | -8.9613889 | 1184 | 5201 |
| Finnea | city | An Iarmhi | Ireland | 53.7666667 | -7.3833333 | 232 | 2729 |
| Finned Bridge | city | Sligeach | Ireland | 54.2891667 | -8.9983333 | 16 | 1913 |
| Finnow Bridge | city | Corcaigh | Ireland | 52.0766667 | -9.0719444 | 426 | 5190 |
| Finny | city | | Ireland | 53.5666667 | -9.4833333 | 193 | 2176 |
| Fintown | city | County Donegal | Ireland | 54.8705556 | -8.1133333 | 557 | 2314 |
| Finuge | city | Ciarrai | Ireland | 52.4291667 | -9.5411111 | 216 | 2408 |
| Fiodh Ard | city | Tiobraid Arann | Ireland | 52.4672222 | -7.6911111 | 216 | 2864 |
| Fiodh Ard | city | Loch Garman | Ireland | 52.1916667 | -6.8516667 | 3 | 2113 |
| Fiodh Duin | city | Cill Chainnigh | Ireland | 52.33 | -7.3155556 | 29 | 4022 |
| Fiodh Dúin | city | Cill Chainnigh | Ireland | 52.33 | -7.3155556 | 29 | 4022 |
| Fiodh an Atha | city | An Iarmhi | Ireland | 53.7666667 | -7.3833333 | 232 | 2729 |
| Fiodh an Átha | city | An Iarmhi | Ireland | 53.7666667 | -7.3833333 | 232 | 2729 |
| Fionnuig | city | Ciarrai | Ireland | 52.4291667 | -9.5411111 | 216 | 2408 |
| Fionnúig | city | Ciarrai | Ireland | 52.4291667 | -9.5411111 | 216 | 2408 |
| Firhouse | city | Baile Atha Cliath | Ireland | 53.2816667 | -6.3391667 | 351 | 100549 |
| Firmount | city | Corcaigh | Ireland | 51.9833333 | -8.7 | 498 | 5205 |
| Firmount Cross Roads | city | Cill Dara | Ireland | 53.2897222 | -6.7169444 | 295 | 7152 |
| Firoda Lower | city | Cill Chainnigh | Ireland | 52.8175 | -7.2513889 | 583 | 3244 |
| Firville | city | Tiobraid Arann | Ireland | 53.0708333 | -8.0788889 | 229 | 2828 |
| Fisherhill | city | Maigh Eo | Ireland | 53.9408333 | -9.1877778 | 85 | 1807 |
| Fisherstown | city | Loch Garman | Ireland | 52.305 | -6.9819444 | 59 | 3886 |
| Fisherstreet | city | An Clar | Ireland | 53.0172222 | -9.3861111 | 164 | 1245 |
| Five Cross Roads | city | County Leitrim | Ireland | 54.2019444 | -8.2858333 | 278 | 1694 |
| Five Cross Roads | city | Port Lairge | Ireland | 52.0708333 | -7.9272222 | 357 | 4758 |
| Five Cross Roads | city | Loch Garman | Ireland | 52.2841667 | -6.7858333 | 42 | 3704 |
| Five Roads Cross | city | County Offaly | Ireland | 53.1713889 | -7.9444444 | 321 | 2667 |
| Fivealley | city | County Offaly | Ireland | 53.15 | -7.8358333 | 232 | 2661 |
| Fivemilebourne | city | County Leitrim | Ireland | 54.2691667 | -8.3402778 | 114 | 2100 |
| Fivemilebridge | city | Corcaigh | Ireland | 51.8197222 | -8.4963889 | 190 | 5223 |
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