| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jamestown | city | Kilkenny | Ireland | 52.37 | -7.02 | 111 | 1798 |
| Jamestown | city | Kilkenny | Ireland | 52.38 | -7.31 | 164 | 2643 |
| Jenkinstown | city | Kilkenny | Ireland | 52.72 | -7.28 | 229 | 3294 |
| Johnstown | city | Kilkenny | Ireland | 52.75 | -7.55 | 830 | 2354 |
| Johnswell | city | Kilkenny | Ireland | 52.70 | -7.17 | 830 | 2936 |