| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Coulagh | city | Cork | Ireland | 51.69 | -9.97 | 830 | 1024 |
| Coultry | city | Fingal | Ireland | 53.42 | -6.27 | 85 | 117663 |
| Coumaclavane | city | Ireland | 51.93 | -9.30 | 1007 | 534 | |
| Coumalocha | city | Ireland | 52.24 | -7.58 | 2017 | 589 | |
| Coumaraglinmountain | city | Ireland | 52.18 | -7.62 | 1145 | 612 | |
| Coumbeg | city | Ireland | 52.85 | -8.36 | 987 | 1718 | |
| Coumduff | city | Kerry | Ireland | 52.17 | -10.08 | 321 | 854 |
| Coumduffmore | city | Kerry | Ireland | 52.17 | -10.08 | 321 | 854 |
| County Bridge | city | Laois | Ireland | 52.89 | -7.71 | 830 | 1164 |
| County Bridge | city | Offaly | Ireland | 53.14 | -7.64 | 830 | 820 |
| Countygate | city | Ireland | 52.15 | -8.15 | 98 | 1087 | |
| Courtclogh | city | Wexford | Ireland | 52.48 | -6.39 | 249 | 2192 |
| Courthoyle | city | Wexford | Ireland | 52.37 | -6.81 | 246 | 1936 |
| Courthoyle | city | Wexford | Ireland | 52.38 | -6.80 | 249 | 2013 |
| Courtmacsherry | city | Cork | Ireland | 51.63 | -8.71 | 59 | 1808 |
| Courtmatrix | city | Ireland | 52.51 | -8.98 | 111 | 2772 | |
| Courtnaenddy Cross Roads | city | Wexford | Ireland | 52.48 | -6.69 | 249 | 2113 |
| Courtown | city | Wexford | Ireland | 52.64 | -6.22 | 0 | 2188 |
| Courtown Bridge | city | Kildare | Ireland | 53.40 | -6.68 | 259 | 6133 |
| Courtown Harbour | city | Wexford | Ireland | 52.64 | -6.22 | 0 | 2188 |
| Courtwood Bridge | city | Laois | Ireland | 53.08 | -7.08 | 232 | 2946 |
| Cousane | city | Cork | Ireland | 51.77 | -9.29 | 977 | 665 |
| Cousinstown | city | Wexford | Ireland | 52.22 | -6.52 | 49 | 2959 |