| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Camira Cross Roads | city | Laois | Ireland | 53.14 | -7.37 | 387 | 3761 |
| Camros | city | Laois | Ireland | 53.00 | -7.59 | 396 | 856 |
| Camross | city | Laois | Ireland | 53.00 | -7.59 | 396 | 856 |
| Cannonswood Cross Roads | city | Laois | Ireland | 52.84 | -7.50 | 341 | 1306 |
| Cappalinnan | city | Laois | Ireland | 52.83 | -7.64 | 830 | 1604 |
| Cappanarrow | city | Laois | Ireland | 53.02 | -7.61 | 830 | 644 |
| Cappanrush | city | Laois | Ireland | 53.06 | -7.41 | 830 | 1447 |
| Carn Bridge | city | Laois | Ireland | 53.11 | -7.24 | 400 | 3037 |
| Carrowreagh | city | Laois | Ireland | 52.93 | -7.56 | 830 | 1463 |
| Cashel | city | Laois | Ireland | 52.98 | -7.30 | 830 | 7217 |
| Castlecutte | city | Laois | Ireland | 53.15 | -7.58 | 830 | 1176 |
| Castletown | city | Laois | Ireland | 52.98 | -7.49 | 337 | 2746 |
| Cathole Bridge | city | Laois | Ireland | 53.09 | -7.44 | 830 | 1121 |
| Ceapach an Rois | city | Laois | Ireland | 53.06 | -7.41 | 830 | 1447 |
| Cill Abáin | city | Laois | Ireland | 52.91 | -6.97 | 200 | 2253 |
| Cill Chaomháin | city | Laois | Ireland | 53.19 | -7.38 | 344 | 1500 |
| Cill Mhaolruanaidh | city | Laois | Ireland | 52.94 | -6.98 | 216 | 7067 |
| Cill Uisean | city | Laois | Ireland | 52.84 | -7.00 | 830 | 3278 |
| Clarahill | city | Laois | Ireland | 53.15 | -7.48 | 830 | 1063 |
| Clarbarracum | city | Laois | Ireland | 52.92 | -7.26 | 830 | 1347 |
| Cleanagh | city | Laois | Ireland | 52.91 | -7.21 | 830 | 1469 |
| Clogh | city | Laois | Ireland | 52.89 | -7.51 | 351 | 1082 |
| Clonadacasey | city | Laois | Ireland | 53.00 | -7.41 | 377 | 2032 |
| Clonagooden | city | Laois | Ireland | 52.92 | -7.65 | 830 | 1370 |
| Clonaslee | city | Laois | Ireland | 53.15 | -7.52 | 830 | 1154 |
| Clonbane | city | Laois | Ireland | 52.95 | -7.45 | 311 | 2164 |
| Clonboyne | city | Laois | Ireland | 53.02 | -7.33 | 830 | 9225 |
| Cloncourse Bridge | city | Laois | Ireland | 53.00 | -7.38 | 396 | 2080 |
| Cloncullane | city | Laois | Ireland | 52.95 | -7.28 | 830 | 1777 |
| Cloncullen | city | Laois | Ireland | 53.02 | -7.42 | 390 | 2126 |
| Cloncully | city | Laois | Ireland | 52.98 | -7.66 | 830 | 800 |
| Clondarrig | city | Laois | Ireland | 53.05 | -7.38 | 830 | 1647 |
| Clonduff | city | Laois | Ireland | 53.18 | -7.45 | 416 | 1509 |
| Clonincurragh | city | Laois | Ireland | 53.01 | -7.52 | 830 | 2184 |
| Clonkeen | city | Laois | Ireland | 53.01 | -7.36 | 830 | 4497 |
| Clonmeen | city | Laois | Ireland | 52.81 | -7.68 | 830 | 1196 |
| Clonmore | city | Laois | Ireland | 52.84 | -6.97 | 141 | 12199 |
| Clonygark | city | Laois | Ireland | 53.17 | -7.47 | 406 | 1429 |
| Clonygowan | city | Laois | Ireland | 53.07 | -7.39 | 830 | 1485 |
| Closh | city | Laois | Ireland | 53.01 | -7.66 | 830 | 568 |
| Cluain Caoin | city | Laois | Ireland | 53.01 | -7.36 | 830 | 4497 |
| Cluain Dearg | city | Laois | Ireland | 53.05 | -7.38 | 830 | 1647 |
| Cluain na Slí | city | Laois | Ireland | 53.15 | -7.52 | 830 | 1154 |
| Clárchoill | city | Laois | Ireland | 53.15 | -7.48 | 830 | 1063 |
| Cnocán na Mac Tíre | city | Laois | Ireland | 52.90 | -7.12 | 830 | 1710 |
| Cobbler's Hill Cross Roads | city | Laois | Ireland | 52.91 | -7.30 | 830 | 2398 |
| Cobbler’s Hill Cross Roads | city | Laois | Ireland | 52.91 | -7.30 | 830 | 2398 |
| Coill Choitín | city | Laois | Ireland | 52.92 | -7.54 | 416 | 1297 |
| Coill Uí Dhúlaí | city | Laois | Ireland | 52.89 | -7.64 | 830 | 1520 |
| Coillte Laoise | city | Laois | Ireland | 53.08 | -7.32 | 416 | 11060 |
| Colnamona | city | Laois | Ireland | 53.03 | -7.38 | 830 | 2212 |
| Commons | city | Laois | Ireland | 53.17 | -7.38 | 357 | 1251 |
| Coneyburrow Bridge | city | Laois | Ireland | 52.86 | -7.57 | 396 | 2313 |
| Coolanagh Cross Roads | city | Laois | Ireland | 52.90 | -6.98 | 206 | 3080 |
| Coolbally | city | Laois | Ireland | 52.90 | -7.53 | 396 | 1246 |
| Coolbanagher | city | Laois | Ireland | 53.08 | -7.24 | 830 | 4637 |
| Coolfin Cross Roads | city | Laois | Ireland | 52.87 | -7.56 | 410 | 2217 |
| Coolhill | city | Laois | Ireland | 52.46 | -6.93 | 190 | 2348 |
| Coolkerry | city | Laois | Ireland | 52.86 | -7.56 | 390 | 2274 |
| Coolnareen | city | Laois | Ireland | 52.99 | -7.42 | 370 | 2231 |
| Coolowley | city | Laois | Ireland | 52.88 | -7.65 | 830 | 1508 |
| Coolrain | city | Laois | Ireland | 52.98 | -7.57 | 377 | 1276 |
| Coorlaghan | city | Laois | Ireland | 52.84 | -7.03 | 928 | 2382 |
| Coornariska | city | Laois | Ireland | 52.85 | -7.04 | 830 | 1860 |
| Corbally | city | Laois | Ireland | 52.94 | -7.35 | 830 | 2977 |
| Corraun | city | Laois | Ireland | 52.92 | -7.54 | 416 | 1297 |
| County Bridge | city | Laois | Ireland | 52.89 | -7.71 | 830 | 1164 |
| Courtwood Bridge | city | Laois | Ireland | 53.08 | -7.08 | 232 | 2946 |
| Crissard | city | Laois | Ireland | 52.91 | -7.14 | 830 | 1517 |
| Crockaun | city | Laois | Ireland | 52.83 | -6.97 | 157 | 11401 |
| Cromoge Cross Roads | city | Laois | Ireland | 52.96 | -7.41 | 318 | 1806 |
| Cuddagh | city | Laois | Ireland | 52.95 | -7.49 | 337 | 1856 |
| Cuil an tSudaire | city | Laois | Ireland | 53.16 | -7.19 | 282 | 5874 |
| Cullahill | city | Laois | Ireland | 52.82 | -7.47 | 830 | 1318 |
| Cullenagh | city | Laois | Ireland | 52.93 | -7.00 | 249 | 2696 |
| Cúil Bheannchair | city | Laois | Ireland | 53.08 | -7.24 | 830 | 4637 |
| Cúil Ruáin | city | Laois | Ireland | 52.98 | -7.57 | 377 | 1276 |