| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1651  | Cloghjordan  Cloch Shiurdain,Cloch Shiurdáin,Cloghjordan,Cloughjordan,Klokhdzhordan,kurajodan,Клохджордан,クラジョーダン | Ireland, Munster County Tipperary | populated place population 612 | N 52° 56′ 25'' | W 8° 2′ 8'' |
| 1652 | Clogheen An Cloichin,An Cloichín,Chloichin an Mhargaidh,Chloichín an Mhargaidh,Clogheen | Ireland, Munster County Tipperary | populated place population 478 | N 52° 16′ 33'' | W 7° 59′ 32'' |
1653  | Cloghaneely Cloghaneely,Cloich Chionnaola | Ireland, Ulster Donegal | area | N 55° 6′ 0'' | W 8° 9′ 0'' |
| 1654 | Cloghane An Clochan,An Clochán,Cloghane,Klokhejn,Клохейн | Ireland, Munster Co Kerry | populated place | N 52° 13′ 50'' | W 10° 11′ 2'' |
| 1655 | Cloghan An Clochan,An Clochán,Cloghan | Ireland, Ulster Donegal | populated place | N 54° 50′ 33'' | W 7° 56′ 1'' |
| 1656 | Cloghan An Clochan,An Clochán,Cloghan | Ireland, Leinster County Offaly | populated place population 601 | N 53° 13′ 18'' | W 7° 53′ 3'' |
| 1657 | Clogh An Chloch,Clogh | Ireland, Leinster County Wexford | populated place | N 52° 38′ 29'' | W 6° 20′ 29'' |
| 1658 | Cliffony Cliafuine,Cliffoney,Cliffony,Kliffoni,Клиффони,კლიფონი | Ireland, Connacht County Sligo | populated place population 492 | N 54° 26′ 2'' | W 8° 27′ 15'' |
1659  | Clermont Carn Black Mountain,Carnan Mhaighreid Nair,Clermont Carn,ke lai meng te ka en shan,克莱蒙特卡恩山 | Ireland, Leinster Louth | mountain elevation 508m | N 54° 4′ 45'' | W 6° 19′ 17'' |
| 1660 | Cleggan An Cloigeann,Cleggan,Kleggan,kuregan,Клегган,კლეგანი,クレガン | Ireland, Connacht Galway | populated place | N 53° 33′ 21'' | W 10° 6′ 57'' |
| 1661 | Clear Island Cape Clear Island,Clear Island,Cleire,Cléire | Ireland, Munster Cork | island | N 51° 26′ 26'' | W 9° 29′ 46'' |
| 1662 | Clashmore Clais Mhor,Clais Mhór,Clashmore,Klashmor,Клашмор | Ireland, Munster Waterford | populated place population 252 | N 52° 0′ 11'' | W 7° 49′ 10'' |
| 1663 | Clarinbridge Clarinbridge,Droichead an Chlairin,Droichead an Chláirín | Ireland, Connacht Galway | populated place population 389 | N 53° 13′ 43'' | W 8° 52′ 39'' |
| 1664 | Clareen An Clairin,An Cláirín,Clareen,Klarin,Кларин | Ireland, Leinster County Offaly | populated place | N 53° 4′ 14'' | W 7° 47′ 44'' |
| 1665 | Clarecastle Clara,Clare,Clarecastle,Droichead an Chlair,Droíchead an Chláir,Klehrkasl,kureakyassuru,Клэркасл,クレア... | Ireland, Munster Clare | populated place | N 52° 48′ 56'' | W 8° 58′ 0'' |
| 1666 | Claddagh An Cladach,Claddagh,Kladdakh,Kladdax,ke la da,kurada,Кладдах,Կլադդախ,クラダ,克拉達 | Ireland, Connacht Galway | populated place | N 53° 16′ 0'' | W 9° 4′ 0'' |
| 1667 | Churchtown Baile an Teampail,Chjorchtaun,Churchtown,Чёрчтаун | Ireland, Munster Cork | populated place population 598 | N 52° 16′ 0'' | W 8° 44′ 0'' |
| 1668 | Cheekpoint Cheekpoint,Pointe na Sige,Pointe na Síge | Ireland, Munster Waterford | populated place population 334 | N 52° 16′ 15'' | W 6° 59′ 54'' |
| 1669 | Causeway An Tochar,An Tóchar,Causeway | Ireland, Munster Co Kerry | populated place population 257 | N 52° 24′ 48'' | W 9° 43′ 55'' |
| 1670 | Castlewarren Buile,Caislean an Bhairinigh,Caisleán an Bhairínigh,Castlewarren | Ireland, Leinster County Kilkenny | populated place | N 52° 41′ 33'' | W 7° 6′ 19'' |
| 1671 | Castletownshend Baile an Chaisleain,Baile an Chaisleáin,Castletownsend,Castletownshend,Kasltaunshend,Каслтауншенд | Ireland, Munster Cork | populated place population 196 | N 51° 31′ 35'' | W 9° 11′ 0'' |
| 1672 | Castletownroche Baile Chaisleain an Roistigh,Baile Chaisleáin an Róistigh,Castletownroche,Kasltaunroch,Каслтаунроч | Ireland, Munster Cork | populated place population 454 | N 52° 10′ 24'' | W 8° 27′ 45'' |
| 1673 | Castletown Castletown,Castletown Kinneigh,Kinneigh | Ireland, Munster Cork | populated place | N 51° 46′ 18'' | W 8° 57′ 40'' |
| 1674 | Castleplunket Castleplunket,Kaslplanket,Lios Lachna,kyassurupuranketto,Каслпланкет,კასლპლანკეტი,キャッスルプランケット | Ireland, Connacht County Roscommon | populated place | N 53° 45′ 0'' | W 8° 20′ 0'' |
| 1675 | Castlemaine Caislean na Mainge,Caisleán na Mainge,Castlemaine,Kaslmejn,Каслмейн,קאסלמיין | Ireland, Munster Co Kerry | populated place population 176 | N 52° 10′ 0'' | W 9° 42′ 0'' |
| 1676 | Castlelyons Caislean O Liathain,Caisleán Ó Liatháin,Castlelyons,Kasllajons,kyassururaianzu,Касллайонс,キャッスルライアンズ | Ireland, Munster Cork | populated place population 374 | N 52° 5′ 18'' | W 8° 14′ 1'' |
| 1677 | Castle Island Castle Island | Ireland, Munster Cork | island | N 51° 30′ 36'' | W 9° 30′ 21'' |
| 1678 | Castlegregory Caislean Ghriaire,Caislean Graighre,Caisleán Ghriaire,Castlegregory,Kaslgregori,Каслгрегори | Ireland, Munster Co Kerry | populated place population 250 | N 52° 15′ 13'' | W 10° 1′ 24'' |
| 1679 | Castleblakeney Castleblakeney,Castleblakeny,Gallach,Kaslblejkni,qslblyyqny,Каслблейкни,קסלבלייקני,კასლბლეიკნი | Ireland, Connacht Galway | populated place | N 53° 26′ 0'' | W 8° 29′ 0'' |
1680  | Carrowmore Lake Carrowmore Lake,Loch na Ceathru Moire,Loch na Ceathrú Móire | Ireland, Connacht County Mayo | lake | N 54° 11′ 35'' | W 9° 46′ 59'' |
| 1681 | Carrowkeel An Cheathru Chaol,An Cheathrú Chaol,Carrowkeel,Kerrykeel | Ireland, Ulster Donegal | populated place population 355 | N 55° 8′ 15'' | W 7° 39′ 52'' |
| 1682 | Carrignavar Carraig na bhFear,Carrignavar | Ireland, Munster Cork | populated place population 519 | N 51° 59′ 19'' | W 8° 28′ 47'' |
| 1683 | Carrigans An Carraigin,An Carraigín,Carrigans | Ireland, Ulster Donegal | populated place population 331 | N 54° 57′ 0'' | W 7° 26′ 0'' |
| 1684 | Carriganimmy Carraig an Ime,Carriganima,Carriganimmy,Karriganimmi,Карриганимми | Ireland, Munster Cork | populated place | N 51° 58′ 0'' | W 9° 2′ 0'' |
| 1685 | Carrigallen Carraig Alainn,Carraig Álainn,Carrigallen,Karrigallen,ka li jia lun,Карригаллен,კარიგალენი,卡里加侖 | Ireland, Connacht Leitrim | populated place population 387 | N 53° 58′ 38'' | W 7° 38′ 45'' |
| 1686 | Carrigahorig Carrigahorig | Ireland, Munster County Tipperary | populated place | N 53° 3′ 45'' | W 8° 8′ 38'' |
| 1687 | Carrigaholt Carraig an Chabhaltaigh,Carrigaholt,Karrigakhol't,Карригахольт | Ireland, Munster Clare | populated place | N 52° 36′ 21'' | W 9° 42′ 17'' |
| 1688 | Carrigadrohid Carraig an Droichid,Carrigadrohid,Karrigadrokhid,Карригадрохид | Ireland, Munster Cork | populated place | N 51° 54′ 0'' | W 8° 51′ 0'' |
| 1689 | Carrickmines Carraig Mhaighin,Carrickmines,Karrikmajns,Каррикмайнс | Ireland, Leinster Dún Laoghaire-Rathdown | populated place | N 53° 15′ 15'' | W 6° 10′ 31'' |
| 1690 | Carrickbeg An Charraig Bheag,Carrickbeg,Karrikbeg,Каррикбег | Ireland, Munster County Tipperary | populated place | N 52° 20′ 35'' | W 7° 24′ 59'' |
| 1691 | Carrickart Carraig Airt,Carrickart,Carrigart | Ireland, Ulster Donegal | populated place population 222 | N 55° 10′ 28'' | W 7° 47′ 52'' |
| 1692 | Carraroe An Cheathru Rua,An Cheathrú Rua,Carraroe,Carrowroe | Ireland, Connacht Galway | populated place population 814 | N 53° 15′ 50'' | W 9° 35′ 54'' |
| 1693 | Carracastle Carracastle,Ceathru an Chaisil,Ceathrú an Chaisil | Ireland, Connacht County Mayo | populated place | N 53° 57′ 1'' | W 8° 41′ 33'' |
| 1694 | Carnsore Point An Carn,Carnscore Point,Carnsore,Carnsore Point,Ceann an Chairn,Mis Karnshor,cap de Carnsore,kang su... | Ireland, Leinster County Wexford | cape | N 52° 10′ 14'' | W 6° 21′ 20'' |
| 1695 | Carney Carney,Fearann Ui Chearnaigh,Fearann Uí Chearnaigh | Ireland, Connacht County Sligo | populated place population 395 | N 54° 20′ 26'' | W 8° 31′ 38'' |
| 1696 | Carnaross Carn na Ros,Carnaros,Carnaross,Karnaross,Карнаросс | Ireland, Leinster Meath | populated place | N 53° 44′ 59'' | W 6° 57′ 15'' |
| 1697 | Carna Carna | Ireland, Connacht Galway | populated place | N 53° 19′ 50'' | W 9° 49′ 40'' |
| 1698 | Carbury Cairbre,Carbury,Karberi,Karburis,Карбери,کاربری، کاؤنٹی کلڈیئر | Ireland, Leinster Co Kildare | populated place | N 53° 21′ 31'' | W 6° 57′ 57'' |
| 1699 | Cappoquin Capaquin,Cappoquin,Ceapach Choinn | Ireland, Munster Waterford | populated place population 759 | N 52° 8′ 45'' | W 7° 50′ 47'' |
| 1700 | Cappataggle Cappataggle,Ceapach an tSeagail | Ireland, Connacht Galway | populated place | N 53° 16′ 35'' | W 8° 24′ 13'' |
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