| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| WAT (WATERFORD) | airport | Ireland | 52.19 | -7.09 | 119 | 0 | |
| WATERFORD | airport | Ireland | 52.19 | -7.09 | 119 | 0 | |
| WESTON | airport | Ireland | 53.35 | -6.49 | 154 | 0 | |
| Waddingtown | city | Wexford | Ireland | 52.28 | -6.66 | 167 | 2476 |
| Walkinstown | city | South Dublin | Ireland | 53.32 | -6.35 | 193 | 208792 |
| Wallslough | city | Kilkenny | Ireland | 52.61 | -7.23 | 249 | 15910 |
| Wallstown | city | Kilkenny | Ireland | 52.69 | -7.42 | 830 | 1729 |
| Walsheslough | city | Wexford | Ireland | 52.27 | -6.38 | 0 | 3291 |
| Walshestown | city | Wexford | Ireland | 52.26 | -6.48 | 55 | 3770 |
| Walshestown | city | Sligo | Ireland | 54.29 | -9.04 | 3 | 940 |
| Walshisland | city | Offaly | Ireland | 53.25 | -7.22 | 275 | 992 |
| Walshpool | city | Mayo | Ireland | 53.80 | -9.19 | 170 | 1582 |
| Walshstown | city | Carlow | Ireland | 52.56 | -6.82 | 830 | 1151 |
| Walshtown | city | Cork | Ireland | 51.98 | -8.19 | 830 | 2001 |
| Walterstown | city | Meath | Ireland | 53.61 | -6.55 | 249 | 2490 |
| Walterstown | city | Cork | Ireland | 51.86 | -8.23 | 3 | 6489 |
| Walterstown | city | Lu | Ireland | 53.94 | -6.45 | 39 | 8298 |
| Walterstown | city | Clare | Ireland | 52.93 | -8.89 | 213 | 1069 |
| Walterstown | city | Kildare | Ireland | 53.16 | -6.73 | 377 | 4808 |
| Walterstown | city | Meath | Ireland | 53.53 | -6.70 | 249 | 2892 |
| Walton Court | city | Cork | Ireland | 51.70 | -8.44 | 3 | 1523 |
| Ward | city | Fingal | Ireland | 53.43 | -6.33 | 216 | 40215 |
| Ward's Town | city | Donegal | Ireland | 54.95 | -7.85 | 255 | 1321 |
| Wardstown | city | Meath | Ireland | 53.62 | -6.87 | 259 | 3209 |
| Wardtown | city | Donegal | Ireland | 54.51 | -8.22 | 380 | 4467 |
| Ward’s Town | city | Donegal | Ireland | 54.95 | -7.85 | 255 | 1321 |
| Warner's Cross Roads | city | Cork | Ireland | 51.83 | -8.59 | 830 | 14062 |
| Warner’s Cross Roads | city | Cork | Ireland | 51.83 | -8.59 | 830 | 14062 |
| Warrington | city | Kilkenny | Ireland | 52.63 | -7.22 | 206 | 19677 |
| Washington | city | Kildare | Ireland | 53.21 | -6.92 | 830 | 3487 |
| Watch House | city | Wexford | Ireland | 52.69 | -6.64 | 249 | 2989 |
| Watch House Cross Roads | city | Kildare | Ireland | 53.19 | -6.64 | 830 | 17709 |
| Watch House Village | city | Wexford | Ireland | 52.69 | -6.64 | 249 | 2989 |
| Waterfall | city | Cork | Ireland | 51.86 | -8.56 | 357 | 32618 |
| Waterford | city | Waterford | Ireland | 52.26 | -7.11 | 22 | 45917 |
| Waterford city | city | Waterford | Ireland | 52.26 | -7.11 | 22 | 45917 |
| Waterfordia | city | Waterford | Ireland | 52.26 | -7.11 | 22 | 45917 |
| Watergrasshill | city | Cork | Ireland | 52.01 | -8.34 | 830 | 2476 |
| Waterloo | city | Cavan | Ireland | 53.93 | -7.13 | 830 | 1669 |
| Waterloo Bridge | city | Wicklow | Ireland | 52.98 | -6.66 | 830 | 2053 |
| Waterville | city | Kerry | Ireland | 51.83 | -10.17 | 45 | 793 |
| Waterville | city | Ireland | 52.53 | -9.03 | 167 | 1779 | |
| Wattle Cross Roads | city | Wexford | Ireland | 52.35 | -6.70 | 170 | 1987 |
| Weatherstown | city | Kilkenny | Ireland | 52.37 | -7.04 | 354 | 1590 |
| Welchtown | city | Donegal | Ireland | 54.82 | -7.87 | 223 | 1895 |
| Wellingtonbridge | city | Wexford | Ireland | 52.26 | -6.78 | 16 | 2478 |
| West Cove | city | Kerry | Ireland | 51.78 | -10.08 | 830 | 547 |
| West End | city | Clare | Ireland | 52.68 | -9.68 | 68 | 1619 |
| West Town | city | Donegal | Ireland | 55.27 | -8.23 | 49 | 104 |
| West Village | city | Cork | Ireland | 51.88 | -8.60 | 216 | 22286 |
| Westland | city | Mayo | Ireland | 53.81 | -9.33 | 203 | 4395 |
| Westport | city | Mayo | Ireland | 53.80 | -9.52 | 380 | 8062 |
| Westport Demesne | city | Mayo | Ireland | 53.81 | -9.55 | 134 | 7512 |
| Westport Quay | city | Mayo | Ireland | 53.80 | -9.55 | 160 | 7182 |
| Westtown | city | Ireland | 52.14 | -7.17 | 0 | 6157 | |
| Westwood | city | Cork | Ireland | 51.60 | -9.07 | 334 | 2194 |
| Wexford | city | Wexford | Ireland | 52.33 | -6.46 | 3 | 20797 |
| Wheelahans Bridge | city | Laois | Ireland | 53.15 | -7.11 | 249 | 4134 |
| Wheelam Cross Roads | city | Kildare | Ireland | 53.20 | -6.87 | 830 | 8377 |
| Whelan's Bridge | city | Ireland | 52.24 | -7.23 | 114 | 3518 | |
| Whelan’s Bridge | city | Ireland | 52.24 | -7.23 | 114 | 3518 | |
| Whistlemount | city | Meath | Ireland | 53.66 | -6.72 | 167 | 13886 |
| White Castle | city | Donegal | Ireland | 55.13 | -7.17 | 0 | 655 |
| White Cross Roads | city | Wexford | Ireland | 52.27 | -6.70 | 49 | 2358 |
| White Gate Cross Roads | city | Kerry | Ireland | 52.17 | -9.78 | 78 | 2519 |
| White Hall | city | Wicklow | Ireland | 53.12 | -6.20 | 830 | 1018 |
| White's Bridge | city | Clare | Ireland | 52.89 | -9.31 | 830 | 1770 |
| White's Cross | city | Cork | Ireland | 51.94 | -8.45 | 259 | 82499 |
| Whitebog | city | Laois | Ireland | 52.96 | -7.02 | 249 | 6854 |
| Whitechurch | city | Kilkenny | Ireland | 52.37 | -7.39 | 114 | 7310 |
| Whitechurch | city | Wexford | Ireland | 52.32 | -6.97 | 124 | 2296 |
| Whitechurch | city | Ireland | 52.11 | -7.75 | 196 | 1278 | |
| Whitechurch | city | Cork | Ireland | 51.98 | -8.51 | 830 | 5947 |
| Whitechurch | city | Ireland | 52.36 | -7.99 | 308 | 2402 | |
| Whitechurch | city | Kildare | Ireland | 53.30 | -6.62 | 249 | 9530 |
| Whitechurch | city | South Dublin | Ireland | 53.27 | -6.28 | 387 | 158393 |
| Whitecommons | city | Meath | Ireland | 53.74 | -6.88 | 226 | 8735 |
| Whitefield | city | Donegal | Ireland | 55.20 | -7.25 | 830 | 1743 |
| Whitefield | city | Ireland | 52.77 | -7.86 | 334 | 3457 | |
| Whiteford | city | Offaly | Ireland | 53.08 | -7.89 | 239 | 5435 |
| Whitegate | city | An Iarmhi | Ireland | 53.73 | -7.32 | 830 | 850 |
| Whitegate | city | Clare | Ireland | 52.95 | -8.37 | 183 | 947 |
| Whitegate | city | Cork | Ireland | 51.83 | -8.23 | 3 | 4269 |
| Whitehall | city | Roscommon | Ireland | 53.75 | -7.93 | 216 | 1422 |
| Whitehall | city | Kilkenny | Ireland | 52.68 | -7.02 | 180 | 3589 |
| Whitehall | city | Meath | Ireland | 53.56 | -6.79 | 223 | 7780 |
| Whitehill | city | Donegal | Ireland | 54.91 | -7.46 | 19 | 3177 |
| Whiteland Cross Roads | city | Ireland | 52.42 | -7.86 | 370 | 1857 | |
| Whitemount | city | Kilkenny | Ireland | 52.51 | -7.33 | 249 | 1508 |
| Whites Town | city | Lu | Ireland | 54.00 | -6.13 | 3 | 1484 |
| Whitestown | city | Fingal | Ireland | 53.40 | -6.40 | 118 | 91935 |
| Whitestown Cross Roads | city | Ireland | 52.28 | -7.39 | 193 | 1963 | |
| Whitestown Lower | city | Wexford | Ireland | 52.30 | -6.45 | 3 | 17403 |
| Whitestown Lower or Hermitage | city | Wexford | Ireland | 52.30 | -6.45 | 3 | 17403 |
| Whitewall | city | Kilkenny | Ireland | 52.81 | -7.58 | 830 | 2436 |
| Whitewell | city | Cork | Ireland | 51.85 | -8.17 | 196 | 6298 |
| White’s Bridge | city | Clare | Ireland | 52.89 | -9.31 | 830 | 1770 |
| White’s Cross | city | Cork | Ireland | 51.94 | -8.45 | 259 | 82499 |
| Wicklow | city | Wicklow | Ireland | 52.98 | -6.05 | 226 | 12296 |
| Wilkinstown | city | Meath | Ireland | 53.74 | -6.71 | 242 | 2452 |
| Wilkinstown Cross Roads | city | Wexford | Ireland | 52.36 | -6.65 | 242 | 2448 |
| Willbrook | city | South Dublin | Ireland | 53.29 | -6.31 | 272 | 231615 |
| Willbrook | city | Clare | Ireland | 52.94 | -9.13 | 380 | 1232 |
| Williamstown | city | Galway | Ireland | 53.68 | -8.58 | 249 | 1370 |
| Williamstown | city | Carlow | Ireland | 52.86 | -6.66 | 406 | 2062 |
| Williamstown | city | Ireland | 52.63 | -7.53 | 830 | 1362 | |
| Williamstown | city | An Iarmhi | Ireland | 53.58 | -7.15 | 830 | 1686 |
| Williamstown | city | Meath | Ireland | 53.61 | -6.69 | 157 | 12289 |
| Williamstown Cross Roads | city | Ireland | 52.15 | -7.45 | 183 | 1691 | |
| Williamsville | city | Fingal | Ireland | 53.41 | -6.31 | 147 | 98096 |
| Willsborough | city | Sligo | Ireland | 54.29 | -8.44 | 147 | 16668 |
| Wilson's Bridge | city | Kildare | Ireland | 53.20 | -7.03 | 252 | 2335 |
| Wilson’s Bridge | city | Kildare | Ireland | 53.20 | -7.03 | 252 | 2335 |
| Wilton | city | Ireland | 52.51 | -8.93 | 187 | 3131 | |
| Windgap | city | Kilkenny | Ireland | 52.47 | -7.40 | 830 | 1207 |
| Windgap | city | Ireland | 52.06 | -7.68 | 410 | 3355 | |
| Windmill Cross Roads | city | Kildare | Ireland | 53.34 | -6.93 | 246 | 2216 |
| Windtown | city | Meath | Ireland | 53.67 | -6.70 | 144 | 16084 |
| Windtown | city | Meath | Ireland | 53.52 | -6.72 | 252 | 3523 |
| Windy Arbour | city | Dun Laoghaire-Rathdown | Ireland | 53.31 | -6.26 | 150 | 276441 |
| Windy Harbour | city | Meath | Ireland | 53.74 | -6.66 | 830 | 2817 |
| Winnyhaw | city | Donegal | Ireland | 54.88 | -7.63 | 278 | 3792 |
| Winterhill | city | Donegal | Ireland | 54.68 | -8.09 | 131 | 4359 |
| Wolfhill | city | Laois | Ireland | 52.90 | -7.12 | 830 | 1710 |
| Wonderhill | city | Ireland | 52.54 | -8.43 | 180 | 2339 | |
| Wood Village | city | Wexford | Ireland | 52.20 | -6.82 | 0 | 1401 |
| Woodenboley | city | Wicklow | Ireland | 53.06 | -6.60 | 997 | 1525 |
| Woodenbridge | city | Wicklow | Ireland | 52.83 | -6.24 | 131 | 2044 |
| Woodenbridge | city | Offaly | Ireland | 53.28 | -7.14 | 259 | 1165 |
| Woodfield | city | Cork | Ireland | 51.63 | -8.98 | 246 | 1942 |
| Woodfield | city | Laois | Ireland | 53.19 | -7.35 | 328 | 1480 |
| Woodfield | city | Wicklow | Ireland | 52.93 | -6.68 | 830 | 3351 |
| Woodfield Bridge | city | Clare | Ireland | 52.81 | -8.70 | 206 | 1323 |
| Woodfoot | city | Meath | Ireland | 53.88 | -6.83 | 364 | 3159 |
| Woodford | city | Galway | Ireland | 53.05 | -8.40 | 242 | 924 |
| Woodford | city | Kerry | Ireland | 52.05 | -9.45 | 301 | 6592 |
| Woodford | city | Leitrim | Ireland | 54.06 | -7.68 | 246 | 1192 |
| Woodfort | city | Meath | Ireland | 53.88 | -6.83 | 364 | 3159 |
| Woodhouse | city | Ireland | 52.18 | -7.74 | 403 | 1068 | |
| Woodhouse Cross Roads | city | Ireland | 52.08 | -7.80 | 255 | 1329 | |
| Woodlands | city | Cork | Ireland | 51.81 | -8.92 | 830 | 1522 |
| Woodlands | city | Wexford | Ireland | 52.54 | -6.66 | 255 | 1893 |
| Woodlands | city | Kildare | Ireland | 53.23 | -7.03 | 246 | 2402 |
| Woodlands | city | Fingal | Ireland | 53.41 | -6.22 | 29 | 163669 |
| Woodpark | city | Galway | Ireland | 53.38 | -9.06 | 29 | 2236 |
| Woodpole | city | Meath | Ireland | 53.75 | -6.97 | 282 | 1829 |
| Woodride | city | Cork | Ireland | 51.97 | -8.36 | 278 | 7917 |
| Woodside | city | Meath | Ireland | 53.57 | -6.82 | 219 | 6555 |
| Woodstock | city | Cork | Ireland | 51.93 | -8.25 | 318 | 5225 |
| Woodstown | city | Ireland | 52.20 | -7.01 | 203 | 4652 | |
| Woodstown | city | Ireland | 52.14 | -7.26 | 6 | 1209 | |
| Woodtown | city | Wexford | Ireland | 52.29 | -6.41 | 3 | 3575 |
| Woodtown | city | South Dublin | Ireland | 53.27 | -6.32 | 830 | 117676 |
| Woodtown | city | Meath | Ireland | 53.57 | -6.98 | 282 | 1742 |
| Woodtown | city | Meath | Ireland | 53.55 | -6.88 | 236 | 2277 |
| Woodtown | city | Meath | Ireland | 53.61 | -6.83 | 265 | 2588 |
| Woodville | city | Mayo | Ireland | 54.13 | -9.32 | 124 | 1856 |
| Woodville | city | Cork | Ireland | 51.87 | -8.39 | 160 | 41896 |
| Woodville | city | Kerry | Ireland | 52.24 | -9.54 | 144 | 1720 |
| Woodville | city | Cork | Ireland | 52.27 | -8.66 | 830 | 2092 |
| Woodville | city | Cork | Ireland | 52.15 | -8.45 | 269 | 1498 |
| Woolengrange | city | Kilkenny | Ireland | 52.57 | -7.18 | 206 | 2772 |
| Wormhole | city | Galway | Ireland | 53.40 | -9.15 | 68 | 2110 |
| Wrightown | city | Meath | Ireland | 53.54 | -6.71 | 249 | 3321 |
| Wyndham's Bridge | city | Clare | Ireland | 52.85 | -8.76 | 830 | 1654 |
| Wyndham’s Bridge | city | Clare | Ireland | 52.85 | -8.76 | 830 | 1654 |