| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| An F | city | Galway | Ireland | 53.17 | -8.74 | 223 | 1717 |
| An Fal Carrach | city | Donegal | Ireland | 55.13 | -8.10 | 187 | 1167 |
| An Fal Mor | city | Mayo | Ireland | 54.10 | -10.10 | 6 | 498 |
| An Feadán | city | Galway | Ireland | 53.02 | -8.86 | 150 | 1009 |
| An Fearann | city | Kerry | Ireland | 52.19 | -10.43 | 180 | 636 |
| An Fearann Fuar | city | Kerry | Ireland | 52.17 | -9.55 | 278 | 1904 |
| An Fhaiche | city | Kerry | Ireland | 52.10 | -9.63 | 216 | 2116 |
| An Fhaiche | city | Kerry | Ireland | 52.24 | -10.21 | 830 | 469 |
| An Fhaiche | city | Ireland | 52.04 | -7.64 | 830 | 5169 | |
| An Fhaiche | city | Ireland | 52.18 | -7.46 | 252 | 1952 | |
| An Fhaiche | city | Galway | Ireland | 53.31 | -8.39 | 249 | 1365 |
| An Fhairche | city | Galway | Ireland | 53.53 | -9.37 | 68 | 780 |
| An Fhearnóg | city | Kilkenny | Ireland | 52.35 | -7.11 | 830 | 1790 |
| An Fheothanach | city | Kerry | Ireland | 52.22 | -10.36 | 177 | 807 |
| An Fhiacail | city | Clare | Ireland | 52.92 | -8.65 | 252 | 1105 |
| An Fhianait | city | Kerry | Ireland | 52.28 | -9.87 | 3 | 903 |
| An Fhliuchmhuine | city | Kilkenny | Ireland | 52.70 | -7.49 | 830 | 1350 |
| An Fhoraois | city | Wexford | Ireland | 52.44 | -6.79 | 830 | 1994 |
| An Fhoraois Mhór | city | Fingal | Ireland | 53.44 | -6.26 | 98 | 53724 |
| An Fhorrach Mhór | city | Kildare | Ireland | 53.05 | -6.83 | 830 | 2080 |
| An Fhorthair | city | Donegal | Ireland | 55.17 | -7.92 | 82 | 1135 |
| An Fiar Mór | city | Galway | Ireland | 53.19 | -8.12 | 196 | 1047 |
| An Féar Bán | city | Offaly | Ireland | 53.27 | -7.83 | 206 | 2423 |
| An Fód Dubh | city | Mayo | Ireland | 54.10 | -10.07 | 0 | 517 |
| An Fóidín | city | Meath | Ireland | 53.58 | -6.61 | 830 | 3049 |