| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saint Mullins | city | Carlow | Ireland | 52.49 | -6.92 | 131 | 1777 |
| Saulsford Bridge | city | Carlow | Ireland | 52.86 | -6.60 | 830 | 1845 |
| Seskin Lower | city | Carlow | Ireland | 52.75 | -7.01 | 206 | 2894 |
| Seskin Upper | city | Carlow | Ireland | 52.76 | -7.03 | 830 | 1640 |
| Seskinrea | city | Carlow | Ireland | 52.77 | -7.07 | 830 | 1378 |
| Seskinryan | city | Carlow | Ireland | 52.68 | -6.93 | 377 | 4786 |
| Shangarry Cross Roads | city | Carlow | Ireland | 52.70 | -6.79 | 370 | 1990 |
| Sheean | city | Carlow | Ireland | 52.68 | -6.83 | 383 | 1701 |
| Sherwood | city | Carlow | Ireland | 52.70 | -6.72 | 830 | 1677 |
| Straboe | city | Carlow | Ireland | 52.86 | -6.79 | 337 | 1916 |
| Straduff | city | Carlow | Ireland | 52.68 | -6.82 | 374 | 1835 |
| Swinn Cross Roads | city | Carlow | Ireland | 52.70 | -6.89 | 416 | 2414 |