| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Flagmount | city | Clare | Ireland | 52.99 | -8.64 | 354 | 664 |
| Flagmount | city | Kilkenny | Ireland | 52.66 | -7.09 | 321 | 2043 |
| Flander's Cross Roads | city | Carlow | Ireland | 52.66 | -6.86 | 347 | 1606 |
| Flander’s Cross Roads | city | Carlow | Ireland | 52.66 | -6.86 | 347 | 1606 |
| Flannery Bridge | city | Galway | Ireland | 53.36 | -9.70 | 0 | 369 |
| Flaxfort | city | Cork | Ireland | 51.90 | -8.36 | 0 | 26641 |
| Flean Beg | city | Ireland | 52.55 | -9.23 | 351 | 1583 | |
| Flemby | city | Kerry | Ireland | 52.23 | -9.60 | 226 | 2363 |
| Flemings Town | city | Donegal | Ireland | 54.88 | -7.67 | 830 | 3205 |
| Flemingstown | city | Cork | Ireland | 52.24 | -8.31 | 308 | 2313 |
| Flemingstown | city | Ireland | 52.30 | -7.81 | 154 | 2031 | |
| Flemingstown | city | Kilkenny | Ireland | 52.36 | -7.06 | 830 | 1321 |
| Flemingtown | city | Ireland | 52.27 | -8.03 | 229 | 1074 | |
| Flesk Bridge | city | Kerry | Ireland | 52.03 | -9.41 | 288 | 1980 |
| Flesk Bridge | city | Kerry | Ireland | 52.18 | -9.50 | 223 | 2728 |
| Fletcherstown | city | Meath | Ireland | 53.74 | -6.74 | 226 | 1793 |
| Floraville | city | Cork | Ireland | 51.68 | -9.16 | 830 | 1686 |
| Flughany | city | Mayo | Ireland | 54.01 | -8.61 | 308 | 1126 |