| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1101  | O’Briensbridge  Droichead Ui Bhriain,Droichead Uí Bhriain,O'Briensbridge,O'Briensbridge-Montpelier,O’Briensbridge | Ireland, Munster Clare | populated place population 396 | N 52° 45′ 17'' | W 8° 29′ 49'' |
| 1102 | Nurney An Urnai,An Urnaí,Nurney | Ireland, Leinster Co Kildare | populated place population 456 | N 53° 5′ 45'' | W 6° 57′ 4'' |
| 1103 | Nurney An Urnai,An Urnaí,Njorni,Nurney,nerni,Нёрни,ნერნი | Ireland, Leinster Carlow | populated place | N 52° 45′ 2'' | W 6° 54′ 35'' |
1104  | Nowen Hill Cnoc na nAbhann,Nowen Hill,Owen Hill | Ireland, Munster Cork | mountain elevation 535m | N 51° 43′ 20'' | W 9° 14′ 39'' |
| 1105 | North Bull Island An Bulla Thuaidh,Bull Island,North Bull Island,Qilean an Bhulla,Qileán an Bhulla | Ireland, Leinster Dublin | island | N 53° 22′ 17'' | W 6° 9′ 0'' |
| 1106 | Nohoval Nohaval,Nohoval,Nuachabhail,Nuachabháil | Ireland, Munster Cork | populated place | N 51° 43′ 29'' | W 8° 24′ 25'' |
| 1107 | Nobber An Obair,Nobber | Ireland, Leinster Meath | populated place population 357 | N 53° 49′ 22'' | W 6° 45′ 2'' |
| 1108 | Ninemilehouse Ninemilehouse,Tigh na Naoi Mile,Tigh na Naoi Míle | Ireland, Munster County Tipperary | populated place | N 52° 27′ 53'' | W 7° 27′ 37'' |
| 1109 | New Twopothouse Village New Two pot House,New Twopothouse,New Twopothouse Village,Tigh Nua an Da Phota,Tigh Nua an Dá Phota,... | Ireland, Munster Cork | populated place | N 52° 11′ 10'' | W 8° 40′ 13'' |
| 1110 | Newtownshandrum Baile Nua Sheandroma,Newtown,Newtownshandrum | Ireland, Munster Cork | populated place population 394 | N 52° 21′ 0'' | W 8° 46′ 0'' |
| 1111 | Newport Baile Ui Fhiachain,Baile Uí Fhiacháin,Newport,Newport Pratt | Ireland, Connacht County Mayo | populated place population 626 | N 53° 53′ 6'' | W 9° 32′ 42'' |
| 1112 | Newcestown Baile Nios,Baile Níos,N'jusestaun,Newcestown,niu sai zhen,Ньюсестаун,紐塞鎮 | Ireland, Munster Cork | populated place | N 51° 46′ 56'' | W 8° 52′ 25'' |
| 1113 | Newcastle An Caislean Nua,An Caisleán Nua,Newcastle | Ireland, Leinster County Wicklow | populated place population 924 | N 53° 4′ 6'' | W 6° 3′ 57'' |
| 1114 | Newcastle An Caislean Nua,An Caisleán Nua,Newcastle | Ireland, Munster County Tipperary | populated place population 328 | N 52° 16′ 22'' | W 7° 48′ 40'' |
| 1115 | Newbliss Cuil Darach,Cúil Darach,Lios Darach,Lisdaragh,N'jubliss,Newbliss,Ньюблисс | Ireland, Ulster Monaghan | populated place population 352 | N 54° 9′ 23'' | W 7° 8′ 6'' |
| 1116 | New Birmingham Gleann an Ghuail,New Birmingham | Ireland, Munster County Tipperary | populated place | N 52° 36′ 57'' | W 7° 38′ 25'' |
| 1117 | Newbawn An Babhun Nua,An Bábhún Nua,Newbawn | Ireland, Leinster County Wexford | populated place population 184 | N 52° 20′ 28'' | W 6° 47′ 47'' |
| 1118 | Neifinn Bheag Neifinn Bheag,Nephin Beg,Nephin Beg Range | Ireland, Connacht County Mayo | mountains elevation 627m | N 54° 1′ 48'' | W 9° 37′ 50'' |
| 1119 | Nephin Neifinn,Nephin | Ireland, Connacht County Mayo | mountain elevation 806m | N 54° 0′ 47'' | W 9° 22′ 6'' |
| 1120 | Neale An Eill,An Éill,Neale | Ireland, Connacht County Mayo | populated place | N 53° 34′ 0'' | W 9° 14′ 0'' |
| 1121 | Naul An Aill,Naul,Nol,Нол | Ireland, Leinster Fingal | populated place population 445 | N 53° 35′ 12'' | W 6° 17′ 23'' |
| 1122 | Narraghmore Narraghmore | Ireland, Leinster Co Kildare | populated place population 345 | N 53° 2′ 51'' | W 6° 50′ 4'' |
| 1123 | Naran Naran,Narin | Ireland, Ulster Donegal | populated place | N 54° 50′ 19'' | W 8° 27′ 14'' |
1124  | Lough Nalughraman Loch na Luchraman,Loch na Luchramán,Lough Nalughraman | Ireland, Ulster Donegal | lake | N 54° 44′ 44'' | W 8° 31′ 54'' |
| 1125 | Lough Nahanagan Loch na hOnchon,Lough Nahanagan | Ireland, Leinster County Wicklow | lake | N 53° 1′ 41'' | W 6° 23′ 35'' |
| 1126 | Nad Nad | Ireland, Munster Cork | populated place | N 52° 4′ 0'' | W 8° 50′ 0'' |
| 1127 | Myshall Miseal,Mishall,Mjshal,Myshall,Míseal,mishali,nam,Мишалл,Мйшал,نام,მიშალი | Ireland, Leinster Carlow | populated place population 286 | N 52° 41′ 6'' | W 6° 46′ 42'' |
| 1128 | Mweenish Island Mainis,Maínis,Mweenish Island | Ireland, Connacht Galway | island | N 53° 18′ 16'' | W 9° 50′ 50'' |
| 1129 | Mweelrea Cnoc Maol Reidh,Cnoc Maol Réidh,Muilrea,Mweelrea | Ireland, Connacht County Mayo | mountain elevation 814m | N 53° 38′ 0'' | W 9° 50′ 0'' |
| 1130 | Mutton Island Mutton Island | Ireland, Connacht Galway | island | N 53° 15′ 16'' | W 9° 3′ 13'' |
| 1131 | Mutton Island Mutton Island | Ireland, Munster Clare | island | N 52° 48′ 37'' | W 9° 31′ 24'' |
| 1132 | Musheramore Musheramore | Ireland, Munster Cork | mountain elevation 644m | N 52° 1′ 0'' | W 8° 59′ 0'' |
| 1133 | Murroogh Murroogh,Murrough | Ireland, Munster Clare | populated place | N 53° 7′ 53'' | W 9° 16′ 28'' |
| 1134 | Murrisk Murrisk | Ireland, Connacht County Mayo | populated place population 266 | N 53° 46′ 44'' | W 9° 38′ 9'' |
| 1135 | Sheep's Head Muntervary,Sheep Head,Sheep's Head,Sheep’s Head | Ireland, Munster Cork | cape | N 51° 32′ 27'' | W 9° 51′ 5'' |
| 1136 | Multyfarnham Muilte Farannain,Muilte Farannáin,Multyfarnham | Ireland, Leinster County Westmeath | populated place population 376 | N 53° 37′ 32'' | W 7° 23′ 21'' |
| 1137 | Mullinavat Mallinavat,Muileann an Bhata,Mulinavat,Mullinavat,Маллинават,Мулинават | Ireland, Leinster County Kilkenny | populated place population 233 | N 52° 22′ 2'' | W 7° 9′ 53'' |
| 1138 | Mullinahone Mallinakhon,Muileann na hUamhan,Mulinakhone,Mullinahone,Маллинахон,Мулинахоне | Ireland, Munster County Tipperary | populated place population 499 | N 52° 30′ 36'' | W 7° 30′ 15'' |
| 1139 | Mullet Peninsula Erris Peninsula,Leithinis an Mhuirthead,Mullet,Mullet Island,Mullet Peninsula | Ireland, Connacht County Mayo | peninsula | N 54° 12′ 0'' | W 10° 3′ 0'' |
| 1140 | Mullaghmore An Mullach Mor,An Mullach Mór,Mallakhmor,Mullaghmore,ma la mo er,ma lei mo,maramoa,mulakhmori,Маллах... | Ireland, Connacht County Sligo | populated place population 136 | N 54° 27′ 59'' | W 8° 26′ 55'' |
| 1141 | Mullaghareirk Mountains Mullach an Radhairc,Mullaghareirk,Mullaghareirk Mountains | Ireland, Munster Cork | mountains | N 52° 20′ 0'' | W 9° 8′ 0'' |
| 1142 | Mullaghanattin Mulagkhanatin,Mullach an Aitinn,Mullaghanattin,jbl mwlajanatyn,Мулагханатин,جبل مولاجاناتين | Ireland, Munster Co Kerry | mountain elevation 773m | N 51° 56′ 1'' | W 9° 50′ 4'' |
| 1143 | Mullagh Mullach,Mullagh | Ireland, Munster Clare | populated place | N 52° 48′ 3'' | W 9° 24′ 43'' |
| 1144 | Muckish An Mhucais,Muckish,Muckish Mountain,jbl mwkysh,جبل موكيش | Ireland, Ulster Donegal | mountain elevation 667m | N 55° 6′ 19'' | W 7° 59′ 39'' |
| 1145 | Lough Muck Loch Muc,Lough Muck | Ireland, Ulster Donegal | lake | N 54° 55′ 22'' | W 8° 3′ 58'' |
| 1146 | Lough Muck Loch Muc,Lough Muck | Ireland, Ulster Donegal | lake | N 54° 51′ 12'' | W 8° 7′ 26'' |
| 1147 | Moyvoughly Maigh Bhachla,Mojvoukhli,Moyvoughly,Мойвоухли | Ireland, Leinster County Westmeath | populated place | N 53° 26′ 0'' | W 7° 42′ 0'' |
| 1148 | Moynalty Maigh nEalta,Mojnalti,Moynalty,Мойналти | Ireland, Leinster Meath | populated place | N 53° 47′ 19'' | W 6° 52′ 58'' |
| 1149 | Moylough Maigh Locha,Mojlakh,Mojlokh,Mojlougkh,Moylough,Newtown Bellew,Мойлах,Мойлоугх,Мойлох | Ireland, Connacht Galway | populated place population 503 | N 53° 29′ 0'' | W 8° 34′ 0'' |
| 1150 | Moydow Moydow | Ireland, Leinster Co Longford | populated place | N 53° 40′ 0'' | W 7° 46′ 0'' |
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