| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Coachford | city | Cork | Ireland | 51.90 | -8.78 | 236 | 3140 |
| Cobh | city | Cork | Ireland | 51.86 | -8.30 | 154 | 17231 |
| Collyregan | city | Cork | Ireland | 52.29 | -8.24 | 410 | 3599 |
| Colthurst Bridge | city | Cork | Ireland | 51.96 | -9.20 | 830 | 865 |
| Colthurst Bridge | city | Cork | Ireland | 52.11 | -8.98 | 396 | 1594 |
| Commeen | city | Cork | Ireland | 51.80 | -8.38 | 324 | 15467 |
| Coneybeg | city | Cork | Ireland | 51.98 | -8.40 | 830 | 7014 |
| Conna | city | Cork | Ireland | 52.09 | -8.11 | 242 | 1366 |
| Connonagh | city | Cork | Ireland | 51.60 | -9.09 | 226 | 1955 |
| Coolageela Cross Roads | city | Cork | Ireland | 52.21 | -8.90 | 413 | 3135 |
| Coolanarney | city | Cork | Ireland | 52.08 | -9.12 | 406 | 1491 |
| Coolaneague | city | Cork | Ireland | 52.20 | -8.19 | 830 | 2316 |
| Coolavokig | city | Cork | Ireland | 51.92 | -9.09 | 830 | 1350 |
| Coolbaun | city | Cork | Ireland | 52.13 | -8.13 | 259 | 1272 |
| Coolbaun | city | Cork | Ireland | 51.61 | -8.70 | 6 | 1395 |
| Coolcarron | city | Cork | Ireland | 51.75 | -8.52 | 249 | 4927 |
| Coolclogh | city | Cork | Ireland | 52.14 | -8.96 | 344 | 2234 |
| Coolcoulagata | city | Cork | Ireland | 51.61 | -9.52 | 830 | 1133 |
| Coole East | city | Cork | Ireland | 51.96 | -8.46 | 400 | 33549 |
| Coole West | city | Cork | Ireland | 51.97 | -8.47 | 830 | 32058 |
| Coolea | city | Cork | Ireland | 52.08 | -8.41 | 830 | 1069 |
| Coolea | city | Cork | Ireland | 51.92 | -9.22 | 830 | 957 |
| Cooleenagow Cross Roads | city | Cork | Ireland | 51.77 | -9.04 | 830 | 1179 |
| Cooles | city | Cork | Ireland | 52.31 | -8.91 | 830 | 1680 |
| Coolgreen | city | Cork | Ireland | 51.98 | -8.43 | 830 | 8582 |
| Coolieragh | city | Cork | Ireland | 51.72 | -9.60 | 239 | 590 |
| Coolinny | city | Cork | Ireland | 52.11 | -8.40 | 830 | 1203 |
| Coollallure | city | Cork | Ireland | 51.75 | -9.16 | 830 | 1701 |
| Coolnaelehy | city | Cork | Ireland | 51.59 | -9.28 | 187 | 3517 |
| Coolnagillagh | city | Cork | Ireland | 52.07 | -9.03 | 830 | 2111 |
| Coolnaronarty | city | Cork | Ireland | 51.68 | -9.03 | 328 | 1697 |
| Coolquane | city | Cork | Ireland | 52.02 | -8.32 | 830 | 1754 |
| Coolsarlagh | city | Cork | Ireland | 51.80 | -8.45 | 341 | 11161 |
| Coomanore North | city | Cork | Ireland | 51.72 | -9.35 | 830 | 952 |
| Coomarkane | city | Cork | Ireland | 51.75 | -9.64 | 905 | 644 |
| Coomastooka | city | Cork | Ireland | 51.63 | -9.89 | 380 | 1102 |
| Coomatallin | city | Cork | Ireland | 51.66 | -9.12 | 830 | 1663 |
| Coomhola Bridge | city | Cork | Ireland | 51.75 | -9.46 | 167 | 1093 |
| Coomleagh | city | Cork | Ireland | 51.74 | -9.31 | 938 | 759 |
| Coomlogane | city | Cork | Ireland | 52.06 | -9.08 | 830 | 1810 |
| Coonclogh | city | Cork | Ireland | 51.78 | -9.27 | 1033 | 608 |
| Coonkeen | city | Cork | Ireland | 51.64 | -9.55 | 364 | 850 |
| Coorloum | city | Cork | Ireland | 51.77 | -9.43 | 242 | 902 |
| Coornishal | city | Cork | Ireland | 51.61 | -9.21 | 278 | 1742 |
| Coosane | city | Cork | Ireland | 51.61 | -9.47 | 403 | 956 |
| Coosane | city | Cork | Ireland | 52.05 | -8.36 | 406 | 1463 |
| Coppingerstown | city | Cork | Ireland | 51.90 | -8.14 | 223 | 10043 |
| Copsetown Cross Roads | city | Cork | Ireland | 52.18 | -8.70 | 830 | 4190 |
| Corcagia | city | Cork | Ireland | 51.90 | -8.50 | 187 | 117355 |
| Corcaigh | city | Cork | Ireland | 51.90 | -8.50 | 187 | 117355 |
| Corcavia | city | Cork | Ireland | 51.90 | -8.50 | 187 | 117355 |
| Cork | city | Cork | Ireland | 51.90 | -8.50 | 187 | 117355 |
| Cork - Corcaigh | city | Cork | Ireland | 51.90 | -8.50 | 187 | 117355 |
| Cork city | city | Cork | Ireland | 51.90 | -8.50 | 187 | 117355 |
| Corkee | city | Cork | Ireland | 51.90 | -8.50 | 187 | 117355 |
| Cornahinch Cross Roads | city | Cork | Ireland | 52.21 | -8.60 | 285 | 2701 |
| Corrabrien Cross Roads | city | Cork | Ireland | 52.18 | -8.40 | 209 | 2042 |
| Corracunna | city | Cork | Ireland | 52.28 | -8.24 | 830 | 3871 |
| Corran Cross Roads | city | Cork | Ireland | 51.82 | -8.61 | 295 | 10792 |
| Corran North | city | Cork | Ireland | 51.65 | -9.15 | 830 | 1475 |
| Corraveigh | city | Cork | Ireland | 51.98 | -7.94 | 239 | 1378 |
| Coulagh | city | Cork | Ireland | 51.69 | -9.97 | 830 | 1024 |
| Courtmacsherry | city | Cork | Ireland | 51.63 | -8.71 | 59 | 1808 |
| Cousane | city | Cork | Ireland | 51.77 | -9.29 | 977 | 665 |