| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Chanonrock | city | County Louth | Ireland | 53.97 | -6.5511111 | 134 | 8264 |
| Chapel | city | Loch Garman | Ireland | 52.4363889 | -6.6991667 | 242 | 4040 |
| Chapel Street | city | Sligeach | Ireland | 54.2158333 | -8.6605556 | 259 | 1930 |
| Chapelizod | city | Baile Atha Cliath | Ireland | 53.3488889 | -6.3466667 | 52 | 102936 |
| Chapelmidway | city | Baile Atha Cliath | Ireland | 53.4575 | -6.3102778 | 157 | 95212 |
| Chapeltown | city | Ciarrai | Ireland | 51.9088889 | -10.3283333 | 0 | 1744 |
| Chapeltown | city | Ciarrai | Ireland | 52.2833333 | -9.8333333 | 9 | 1625 |
| Charlesfort | city | Sligeach | Ireland | 54.2491667 | -8.8616667 | 154 | 2152 |
| Charless Bridge | city | Corcaigh | Ireland | 52.0986111 | -9.0983333 | 396 | 5188 |
| Charlestown | city | Maigh Eo | Ireland | 53.9641667 | -8.7941667 | 249 | 2303 |
| Charlestown | city | County Offaly | Ireland | 53.3397222 | -7.6030556 | 232 | 2737 |
| Charleville | city | Corcaigh | Ireland | 52.35 | -8.6833333 | 357 | 5288 |
| Chatsworth | city | Cill Chainnigh | Ireland | 52.8786111 | -7.1822222 | 505 | 2950 |
| Cheekpoint | city | Port Lairge | Ireland | 52.2708333 | -6.9983333 | 3 | 3828 |
| Cherryorchard Bridge | city | Loch Garman | Ireland | 52.5069444 | -6.5847222 | 170 | 4033 |
| Cherryville | city | Cill Dara | Ireland | 53.1569444 | -6.9666667 | 364 | 7155 |
| Church Cross | city | Corcaigh | Ireland | 51.5438889 | -9.3475 | 3 | 5130 |
| Church Hill | city | County Donegal | Ireland | 54.9833333 | -7.8666667 | 242 | 2307 |
| Church Town | city | County Donegal | Ireland | 54.9602778 | -7.4727778 | 187 | 2300 |
| Church Village | city | Maigh Eo | Ireland | 53.9972222 | -9.0727778 | 246 | 1816 |
| Churchtown | city | | Ireland | 52.0666667 | -9.6833333 | 104 | 2427 |
| Churchtown | city | County Limerick | Ireland | 52.4572222 | -9.0680556 | 226 | 5486 |
| Churchtown | city | Corcaigh | Ireland | 52.2666667 | -8.7333333 | 479 | 5170 |
| Churchtown | city | Corcaigh | Ireland | 51.9136111 | -8.1280556 | 209 | 5158 |
| Churchtown | city | Corcaigh | Ireland | 51.8280556 | -8.0808333 | 19 | 2438 |
| Churchtown | city | | Ireland | 53.4833333 | -7.4833333 | 423 | 3126 |
| Churchtown | city | Cill Dara | Ireland | 53.058333 | -7.0508333 | 216 | 5048 |
| Churchtown | city | Loch Garman | Ireland | 52.1313889 | -6.9197222 | 0 | 789 |
| Churchtown | city | Loch Garman | Ireland | 52.2525 | -6.4030556 | 3 | 2474 |
| Churchtown | city | Loch Garman | Ireland | 52.185 | -6.3541667 | 0 | 1532 |
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