| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saggart | city | South Dublin | Ireland | 53.28 | -6.44 | 830 | 43334 |
| Sailtean na hUinseann | city | Leitrim | Ireland | 54.12 | -7.88 | 984 | 405 |
| Saint Ann's | city | Cork | Ireland | 51.93 | -8.60 | 223 | 15249 |
| Saint Ann's Well | city | South Dublin | Ireland | 53.23 | -6.35 | 984 | 27935 |
| Saint Anne's Hill | city | Cork | Ireland | 51.93 | -8.60 | 223 | 15249 |
| Saint Anne’s Hill | city | Cork | Ireland | 51.93 | -8.60 | 223 | 15249 |
| Saint Anns Hill | city | Cork | Ireland | 51.93 | -8.60 | 223 | 15249 |
| Saint Anns Wells | city | South Dublin | Ireland | 53.23 | -6.35 | 984 | 27935 |
| Saint Ann’s | city | Cork | Ireland | 51.93 | -8.60 | 223 | 15249 |
| Saint Ann’s Well | city | South Dublin | Ireland | 53.23 | -6.35 | 984 | 27935 |
| Saint Brendan's | city | Galway | Ireland | 53.39 | -8.99 | 124 | 3090 |
| Saint Brendan’s | city | Galway | Ireland | 53.39 | -8.99 | 124 | 3090 |
| Saint Catharine's | city | Clare | Ireland | 52.87 | -8.60 | 331 | 1144 |
| Saint Catharine’s | city | Clare | Ireland | 52.87 | -8.60 | 331 | 1144 |
| Saint Catherines | city | Clare | Ireland | 52.87 | -8.60 | 331 | 1144 |
| Saint Catherines | city | Donegal | Ireland | 54.62 | -8.46 | 3 | 2224 |
| Saint David's | city | Ireland | 52.93 | -8.28 | 173 | 1213 | |
| Saint David’s | city | Ireland | 52.93 | -8.28 | 173 | 1213 | |
| Saint Doolaghs | city | Fingal | Ireland | 53.42 | -6.18 | 9 | 144644 |
| Saint Edans | city | Wexford | Ireland | 52.59 | -6.48 | 223 | 2811 |
| Saint Helens | city | Wexford | Ireland | 52.23 | -6.34 | 0 | 2628 |
| Saint John's Bridge | city | Lu | Ireland | 54.02 | -6.43 | 19 | 31085 |
| Saint Johns Port | city | Sligo | Ireland | 54.33 | -8.60 | 0 | 1676 |
| Saint Johns Rath | city | Meath | Ireland | 53.76 | -6.77 | 232 | 1836 |
| Saint Johnston | city | Donegal | Ireland | 54.93 | -7.45 | 3 | 3624 |
| Saint Johnstown | city | Donegal | Ireland | 54.93 | -7.45 | 3 | 3624 |
| Saint John’s Bridge | city | Lu | Ireland | 54.02 | -6.43 | 19 | 31085 |
| Saint Joseph's | city | Ireland | 52.54 | -9.08 | 249 | 1791 | |
| Saint Joseph’s | city | Ireland | 52.54 | -9.08 | 249 | 1791 | |
| Saint Kieran's | city | Ireland | 53.11 | -8.06 | 239 | 857 | |
| Saint Kieran’s | city | Ireland | 53.11 | -8.06 | 239 | 857 | |
| Saint Lawrence | city | Ireland | 52.59 | -8.50 | 830 | 4069 | |
| Saint Margaret's | city | Fingal | Ireland | 53.43 | -6.30 | 144 | 64077 |
| Saint Margaret’s | city | Fingal | Ireland | 53.43 | -6.30 | 144 | 64077 |
| Saint Marnocks | city | Fingal | Ireland | 53.43 | -6.13 | 0 | 57405 |
| Saint Mullins | city | Carlow | Ireland | 52.49 | -6.92 | 131 | 1777 |
| Saint Olan's | city | Cork | Ireland | 51.93 | -8.81 | 285 | 2146 |
| Saint Olan’s | city | Cork | Ireland | 51.93 | -8.81 | 285 | 2146 |
| Saint Oswald's | city | Ireland | 52.46 | -8.88 | 344 | 1647 | |
| Saint Oswald’s | city | Ireland | 52.46 | -8.88 | 344 | 1647 | |
| Saint Patrickswell | city | Ireland | 52.60 | -8.71 | 173 | 11112 | |
| Saint Walerans | city | Wexford | Ireland | 52.69 | -6.28 | 183 | 7555 |
| Saint's Road | city | Kerry | Ireland | 52.16 | -10.35 | 830 | 1384 |
| Saintjohns | city | Meath | Ireland | 53.55 | -6.77 | 193 | 7386 |
| Saint’s Road | city | Kerry | Ireland | 52.16 | -10.35 | 830 | 1384 |
| Saleen | city | Kerry | Ireland | 52.56 | -9.46 | 65 | 1640 |
| Saleen | city | Cork | Ireland | 51.86 | -8.17 | 242 | 7747 |
| Salia | city | Mayo | Ireland | 53.95 | -9.95 | 78 | 1089 |
| Saliahoona | city | Galway | Ireland | 53.25 | -9.33 | 9 | 820 |
| Salisbury | city | Ireland | 52.35 | -7.76 | 141 | 11293 | |
| Sallagher | city | Mayo | Ireland | 53.91 | -9.27 | 262 | 2852 |
| Sallihig | city | Kerry | Ireland | 51.87 | -10.13 | 242 | 811 |
| Sallins | city | Kildare | Ireland | 53.25 | -6.67 | 318 | 23620 |
| Sally Port | city | Cork | Ireland | 51.69 | -8.50 | 0 | 4624 |
| Sallybank | city | Clare | Ireland | 52.77 | -8.62 | 377 | 1875 |
| Sallybrook | city | Cork | Ireland | 51.94 | -8.39 | 252 | 25521 |
| Sallybrook | city | Donegal | Ireland | 54.96 | -7.57 | 308 | 1884 |
| Sallyford Cross Roads | city | Laois | Ireland | 53.09 | -7.09 | 242 | 2832 |
| Sallynoggin | city | Dun Laoghaire-Rathdown | Ireland | 53.27 | -6.14 | 19 | 108171 |
| Sallypark | city | Ireland | 52.80 | -8.06 | 400 | 1292 | |
| Salrock | city | Galway | Ireland | 53.60 | -9.85 | 830 | 529 |
| Salt Hill | city | Galway | Ireland | 53.26 | -9.07 | 0 | 48473 |
| Salterstown | city | Lu | Ireland | 53.87 | -6.31 | 3 | 1604 |
| Saltmills | city | Wexford | Ireland | 52.22 | -6.83 | 0 | 2055 |
| Sam's Cross Roads | city | Cork | Ireland | 51.62 | -8.98 | 249 | 2066 |
| Sam’s Cross Roads | city | Cork | Ireland | 51.62 | -8.98 | 249 | 2066 |
| Sand Hills | city | Mayo | Ireland | 54.02 | -9.98 | 42 | 703 |
| Sandeville | city | Ireland | 52.65 | -8.55 | 272 | 20043 | |
| Sandfield | city | Donegal | Ireland | 54.80 | -8.45 | 3 | 912 |
| Sandfordscourt | city | Kilkenny | Ireland | 52.69 | -7.21 | 242 | 12923 |
| Sandpits Cross Roads | city | Kilkenny | Ireland | 52.37 | -7.32 | 68 | 2939 |
| Sandy Cove | city | Cork | Ireland | 51.68 | -8.55 | 190 | 4581 |
| Sandy Ford | city | Wicklow | Ireland | 52.85 | -6.46 | 879 | 1198 |
| Sandyford | city | Dun Laoghaire-Rathdown | Ireland | 53.27 | -6.22 | 830 | 128225 |
| Sandyhill | city | Sligo | Ireland | 53.98 | -8.79 | 242 | 1625 |
| Sandymount | city | Lu | Ireland | 53.97 | -6.36 | 0 | 15194 |
| Sandymount | city | Dublin | Ireland | 53.34 | -6.21 | 0 | 228968 |
| Sandymount | city | Ireland | 52.45 | -8.16 | 830 | 6681 | |
| Santry | city | Dublin | Ireland | 53.40 | -6.26 | 39 | 224743 |
| Saraghstown | city | Meath | Ireland | 53.69 | -7.03 | 367 | 1376 |
| Sarnaght | city | Mayo | Ireland | 53.89 | -9.31 | 298 | 10113 |
| Sarsfield's Screens | city | Cork | Ireland | 51.81 | -8.44 | 190 | 14730 |
| Sarsfieldstown | city | An Iarmhi | Ireland | 53.51 | -7.16 | 830 | 2210 |
| Sarsfield’s Screens | city | Cork | Ireland | 51.81 | -8.44 | 190 | 14730 |
| Sart Cross Roads | city | Kilkenny | Ireland | 52.71 | -7.40 | 830 | 1890 |
| Saucestown Bridge | city | Ireland | 52.48 | -7.68 | 318 | 2461 | |
| Saulsford Bridge | city | Carlow | Ireland | 52.86 | -6.60 | 830 | 1845 |
| Saundersville | city | Wicklow | Ireland | 52.97 | -6.68 | 830 | 2738 |
| Savagetown Cross Roads | city | Ireland | 52.18 | -7.30 | 285 | 1776 |