| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Savagetown Cross Roads | city | Ireland | 52.18 | -7.30 | 285 | 1776 | |
| Scart | city | Ireland | 52.04 | -7.87 | 49 | 961 | |
| Scart Bridge | city | Ireland | 52.20 | -7.67 | 830 | 820 | |
| Scart Upper | city | Ireland | 52.20 | -7.66 | 830 | 748 | |
| Scrahan | city | Ireland | 52.21 | -7.40 | 282 | 2072 | |
| Scrahans | city | Ireland | 52.01 | -7.68 | 830 | 816 | |
| Serothea | city | Ireland | 52.35 | -7.71 | 882 | 16663 | |
| Shanavoota | city | Ireland | 52.16 | -7.97 | 830 | 1863 | |
| Shanbally | city | Ireland | 52.13 | -7.54 | 272 | 2047 | |
| Shanballyanne | city | Ireland | 52.27 | -7.69 | 830 | 1278 | |
| Shauneenabreaga | city | Ireland | 52.31 | -7.62 | 1158 | 939 | |
| Sheskin Cross | city | Ireland | 52.33 | -7.48 | 321 | 2123 | |
| Slievenamona | city | Ireland | 52.20 | -7.37 | 344 | 1947 | |
| Sluggera Cross Roads | city | Ireland | 51.96 | -7.75 | 19 | 1244 | |
| Snugborough | city | Ireland | 52.09 | -7.91 | 190 | 2011 | |
| Soldiers Cross Roads | city | Ireland | 52.15 | -7.72 | 393 | 1222 | |
| Spaville | city | Ireland | 52.35 | -7.69 | 830 | 16381 | |
| Sporthouse Cross Roads | city | Ireland | 52.20 | -7.18 | 252 | 11455 | |
| Sprangmount | city | Ireland | 51.99 | -7.90 | 59 | 6012 | |
| Springmount | city | Ireland | 52.09 | -7.67 | 65 | 7227 | |
| Sruh | city | Ireland | 52.16 | -7.93 | 183 | 1860 | |
| Stonehouse | city | Ireland | 52.25 | -7.25 | 104 | 3474 | |
| Stradbally | city | Ireland | 52.13 | -7.46 | 9 | 1225 | |
| Stradbally Bridge | city | Ireland | 52.13 | -7.46 | 0 | 1225 | |
| Stronghow's Bridge | city | Ireland | 52.24 | -7.02 | 52 | 8087 | |
| Stronghow’s Bridge | city | Ireland | 52.24 | -7.02 | 52 | 8087 |