| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Caislean an Chomair | city | Kilkenny | Ireland | 52.81 | -7.21 | 830 | 3558 |
| Caisleán an Bhainne | city | Kilkenny | Ireland | 52.44 | -7.17 | 830 | 1301 |
| Caisleán an Bhairínigh | city | Kilkenny | Ireland | 52.69 | -7.11 | 830 | 1331 |
| Callain | city | Kilkenny | Ireland | 52.55 | -7.39 | 232 | 2740 |
| Callan | city | Kilkenny | Ireland | 52.55 | -7.39 | 232 | 2740 |
| Canicopolis | city | Kilkenny | Ireland | 52.65 | -7.25 | 196 | 22666 |
| Cappagh | city | Kilkenny | Ireland | 52.51 | -7.07 | 200 | 1913 |
| Cappahayden | city | Kilkenny | Ireland | 52.56 | -7.46 | 249 | 1495 |
| Cappanagh | city | Kilkenny | Ireland | 52.54 | -7.05 | 830 | 1884 |
| Carraig an Urra | city | Kilkenny | Ireland | 52.31 | -7.07 | 265 | 4759 |
| Carraig na gCluainíní | city | Kilkenny | Ireland | 52.34 | -7.02 | 265 | 1826 |
| Carran | city | Kilkenny | Ireland | 52.61 | -7.14 | 236 | 2309 |
| Carrickcloney | city | Kilkenny | Ireland | 52.34 | -7.02 | 265 | 1826 |
| Carrickmorne | city | Kilkenny | Ireland | 52.52 | -7.11 | 180 | 2514 |
| Carriganurra | city | Kilkenny | Ireland | 52.31 | -7.07 | 265 | 4759 |
| Carrigeen | city | Kilkenny | Ireland | 52.27 | -7.21 | 111 | 4650 |
| Carrigeen | city | Kilkenny | Ireland | 52.70 | -7.19 | 305 | 5156 |
| Carstown Cross Roads | city | Kilkenny | Ireland | 52.66 | -7.38 | 830 | 1453 |
| Castlebanny | city | Kilkenny | Ireland | 52.44 | -7.17 | 830 | 1301 |
| Castlecomer | city | Kilkenny | Ireland | 52.81 | -7.21 | 830 | 3558 |
| Castlecosker | city | Kilkenny | Ireland | 52.47 | -7.16 | 830 | 1518 |
| Castlekelly Cross Roads | city | Kilkenny | Ireland | 52.64 | -7.02 | 104 | 2533 |
| Castlemarket Bridge | city | Kilkenny | Ireland | 52.85 | -7.32 | 830 | 2484 |
| Castletown | city | Kilkenny | Ireland | 52.80 | -7.59 | 830 | 2282 |
| Castlewarren | city | Kilkenny | Ireland | 52.69 | -7.11 | 830 | 1331 |
| Catstown | city | Kilkenny | Ireland | 52.44 | -7.26 | 830 | 1493 |
| Ceanannas | city | Kilkenny | Ireland | 52.54 | -7.27 | 196 | 1864 |
| Ceapach Éidín | city | Kilkenny | Ireland | 52.56 | -7.46 | 249 | 1495 |
| Cellarstown | city | Kilkenny | Ireland | 52.66 | -7.21 | 229 | 18081 |
| Chatsworth | city | Kilkenny | Ireland | 52.88 | -7.18 | 830 | 2017 |
| Cill Chainnigh | city | Kilkenny | Ireland | 52.65 | -7.25 | 196 | 22666 |
| Cill Chros | city | Kilkenny | Ireland | 52.49 | -7.05 | 282 | 1557 |
| Cill Chéise | city | Kilkenny | Ireland | 52.44 | -7.21 | 830 | 1635 |
| Cill Doire | city | Kilkenny | Ireland | 52.68 | -7.17 | 282 | 4520 |
| Cill Eirne | city | Kilkenny | Ireland | 52.56 | -7.18 | 249 | 2929 |
| Cill Lamraí | city | Kilkenny | Ireland | 52.48 | -7.45 | 830 | 1464 |
| Cill Mhainchín | city | Kilkenny | Ireland | 52.57 | -7.09 | 393 | 2413 |
| Cill Mhanach | city | Kilkenny | Ireland | 52.62 | -7.42 | 830 | 1332 |
| Cill Mhic Bhuith | city | Kilkenny | Ireland | 52.31 | -7.17 | 98 | 7109 |
| Cill Mocheara | city | Kilkenny | Ireland | 52.77 | -7.27 | 830 | 2187 |
| Cill Mogeanna | city | Kilkenny | Ireland | 52.46 | -7.33 | 830 | 1382 |
| Cill an Ghaill | city | Kilkenny | Ireland | 52.31 | -7.12 | 160 | 14348 |
| Clais Liam | city | Kilkenny | Ireland | 52.62 | -7.11 | 223 | 2414 |
| Clarabricken | city | Kilkenny | Ireland | 52.66 | -7.15 | 305 | 2595 |
| Clashduff | city | Kilkenny | Ireland | 52.79 | -7.25 | 830 | 3033 |
| Clasheen Bridge | city | Kilkenny | Ireland | 52.60 | -7.36 | 347 | 1982 |
| Clashwilliam | city | Kilkenny | Ireland | 52.62 | -7.11 | 223 | 2414 |
| Clifden | city | Kilkenny | Ireland | 52.64 | -7.15 | 259 | 2559 |
| Clintstown | city | Kilkenny | Ireland | 52.74 | -7.34 | 239 | 2078 |
| Clogga | city | Kilkenny | Ireland | 52.32 | -7.25 | 124 | 2870 |
| Clogghill | city | Kilkenny | Ireland | 52.47 | -6.95 | 321 | 1937 |
| Clogh | city | Kilkenny | Ireland | 52.86 | -7.17 | 830 | 2576 |
| Cloghala Cross Roads | city | Kilkenny | Ireland | 52.60 | -7.10 | 183 | 2301 |
| Cloghpook | city | Kilkenny | Ireland | 52.73 | -7.19 | 830 | 1967 |
| Clomantagh | city | Kilkenny | Ireland | 52.72 | -7.47 | 830 | 1372 |
| Clonamery | city | Kilkenny | Ireland | 52.47 | -7.02 | 370 | 1187 |
| Clonard | city | Kilkenny | Ireland | 52.61 | -7.38 | 830 | 1382 |
| Cloneen | city | Kilkenny | Ireland | 52.84 | -7.15 | 830 | 2727 |
| Clontubbrid | city | Kilkenny | Ireland | 52.76 | -7.42 | 830 | 1543 |
| Cluain Ard | city | Kilkenny | Ireland | 52.61 | -7.38 | 830 | 1382 |
| Cluain Iomaire | city | Kilkenny | Ireland | 52.47 | -7.02 | 370 | 1187 |
| Clárach Bhricín | city | Kilkenny | Ireland | 52.66 | -7.15 | 305 | 2595 |
| Cnoc Liam Gheancaigh | city | Kilkenny | Ireland | 52.46 | -7.19 | 830 | 1573 |
| Cnoc Osraí | city | Kilkenny | Ireland | 52.70 | -7.14 | 830 | 1264 |
| Cnoc Tnútha | city | Kilkenny | Ireland | 52.71 | -7.23 | 344 | 7570 |
| Cnoc an Mhéidsir | city | Kilkenny | Ireland | 52.75 | -7.16 | 898 | 1170 |
| Cnoc an Spá | city | Kilkenny | Ireland | 52.75 | -7.50 | 830 | 1551 |
| Cnoc an Tóchair | city | Kilkenny | Ireland | 52.48 | -7.21 | 193 | 2187 |
| Cnoc na Bodaile | city | Kilkenny | Ireland | 52.55 | -6.95 | 98 | 2777 |
| Cnoc na Gráinsí | city | Kilkenny | Ireland | 52.67 | -7.13 | 387 | 1797 |
| Cnoc na Muc | city | Kilkenny | Ireland | 52.70 | -7.46 | 830 | 1435 |
| Coan | city | Kilkenny | Ireland | 52.78 | -7.11 | 830 | 1657 |
| Coill Bhuaile na Sceachánach | city | Kilkenny | Ireland | 52.87 | -7.16 | 830 | 2201 |
| Coill an Easpaig | city | Kilkenny | Ireland | 52.34 | -7.25 | 275 | 2726 |
| Coill an Phaoraigh | city | Kilkenny | Ireland | 52.47 | -7.13 | 393 | 1586 |
| Collieries | city | Kilkenny | Ireland | 52.82 | -7.14 | 830 | 2487 |
| Colliery | city | Kilkenny | Ireland | 52.83 | -7.19 | 830 | 3914 |
| Colliery | city | Kilkenny | Ireland | 52.82 | -7.15 | 830 | 2730 |
| Colliery | city | Kilkenny | Ireland | 52.83 | -7.23 | 830 | 3602 |
| Condonstown | city | Kilkenny | Ireland | 52.42 | -7.26 | 830 | 1456 |
| Connahy | city | Kilkenny | Ireland | 52.76 | -7.30 | 377 | 2124 |
| Coolaghflags | city | Kilkenny | Ireland | 52.50 | -7.38 | 344 | 2692 |
| Coolatogher | city | Kilkenny | Ireland | 52.58 | -7.03 | 830 | 2126 |
| Coolbaun | city | Kilkenny | Ireland | 52.82 | -7.18 | 830 | 3784 |
| Coolcullen | city | Kilkenny | Ireland | 52.76 | -7.12 | 830 | 1139 |
| Coolcuttia | city | Kilkenny | Ireland | 52.70 | -7.07 | 830 | 1654 |
| Cooleeshal | city | Kilkenny | Ireland | 52.73 | -7.36 | 830 | 2055 |
| Coolgrange | city | Kilkenny | Ireland | 52.65 | -7.13 | 301 | 1982 |
| Coolgreany | city | Kilkenny | Ireland | 52.71 | -7.12 | 830 | 973 |
| Coolmore | city | Kilkenny | Ireland | 52.46 | -7.23 | 255 | 1691 |
| Coolnacrutta | city | Kilkenny | Ireland | 52.80 | -7.52 | 830 | 1423 |
| Coolnaleen | city | Kilkenny | Ireland | 52.87 | -7.19 | 830 | 2744 |
| Coolraheen North | city | Kilkenny | Ireland | 52.77 | -7.16 | 830 | 1583 |
| Coolraheen South | city | Kilkenny | Ireland | 52.74 | -7.15 | 994 | 1047 |
| Coolroebeg | city | Kilkenny | Ireland | 52.46 | -7.12 | 291 | 1258 |
| Coorleagh | city | Kilkenny | Ireland | 52.70 | -7.05 | 830 | 1718 |
| Corbetstown | city | Kilkenny | Ireland | 52.74 | -7.24 | 830 | 2269 |
| Cranroe | city | Kilkenny | Ireland | 52.71 | -7.05 | 830 | 1723 |
| Croan Cross Roads | city | Kilkenny | Ireland | 52.48 | -7.26 | 236 | 1750 |
| Crochta na gCloch | city | Kilkenny | Ireland | 52.81 | -7.11 | 862 | 1838 |
| Croghtenclogh | city | Kilkenny | Ireland | 52.81 | -7.11 | 862 | 1838 |
| Crois Phádraig | city | Kilkenny | Ireland | 52.77 | -7.61 | 830 | 1602 |
| Cross of Beggar | city | Kilkenny | Ireland | 52.78 | -7.53 | 830 | 1739 |
| Crosspatrick | city | Kilkenny | Ireland | 52.77 | -7.61 | 830 | 1602 |
| Cruckaun | city | Kilkenny | Ireland | 52.78 | -7.21 | 830 | 3352 |
| Crutt | city | Kilkenny | Ireland | 52.87 | -7.21 | 830 | 2329 |
| Cuailleach na Leac | city | Kilkenny | Ireland | 52.50 | -7.38 | 344 | 2692 |
| Cuffes Grange | city | Kilkenny | Ireland | 52.60 | -7.30 | 249 | 5468 |
| Cullentragh | city | Kilkenny | Ireland | 52.48 | -6.97 | 830 | 1427 |
| Currach Máirtín | city | Kilkenny | Ireland | 52.27 | -7.21 | 147 | 4650 |
| Curraghlane | city | Kilkenny | Ireland | 52.58 | -7.02 | 830 | 2435 |
| Curraghmartin | city | Kilkenny | Ireland | 52.27 | -7.21 | 147 | 4650 |
| Curraghmore | city | Kilkenny | Ireland | 52.45 | -7.09 | 830 | 1056 |
| Currahill | city | Kilkenny | Ireland | 52.46 | -7.34 | 830 | 1350 |
| Cúil an Choite | city | Kilkenny | Ireland | 52.70 | -7.07 | 830 | 1654 |
| Cúilín an Lín | city | Kilkenny | Ireland | 52.87 | -7.19 | 830 | 2744 |
| Cúirt an Chantualaigh | city | Kilkenny | Ireland | 52.69 | -7.21 | 242 | 12923 |
| Cúl an Tóchair | city | Kilkenny | Ireland | 52.58 | -7.03 | 830 | 2126 |
| Cúl na Cruite | city | Kilkenny | Ireland | 52.80 | -7.52 | 830 | 1423 |