| English | eng-000 | Northern Ireland Executive |
| svenska | swe-000 | Northern Ireland Executive |
| Universal Networking Language | art-253 | Northern Ireland(iof>country) |
| English | eng-000 | Northern Ireland Office |
| English | eng-000 | Northern Ireland Policing Board |
| bokmål | nob-000 | Northern Ireland Policing Board |
| Deutsch | deu-000 | Northern Ireland Railways |
| English | eng-000 | Northern Ireland Railways |
| Deutsch | deu-000 | Northern Ireland Trophy |
| English | eng-000 | Northern Ireland Trophy |
| Nederlands | nld-000 | Northern Ireland Trophy |
| bokmål | nob-000 | Northern Ireland Trophy |
| polski | pol-000 | Northern Ireland Trophy |
| română | ron-000 | Northern Ireland Trophy |
| русский | rus-000 | Northern Ireland Trophy 2005 |
| English | eng-000 | Northern Ireland Women’s European Platform |
| Ethnologue Language Names | art-330 | Northern Irish |
| English | eng-000 | Northern Irish |
| English | eng-000 | Northern Irishman |
| Glottolog Languoid Names | art-326 | Northern Iroquoian |
| Glottolog Languoid Names | art-326 | Northern Irula |
| Ethnologue Language Names | art-330 | Northern Irula |
| Glottolog Languoid Names | art-326 | Northern Isan |
| Ethnologue Language Names | art-330 | Northern Isan |
| polski | pol-000 | Northern Islands |
| English | eng-000 | Northern Islands Municipality |
| English | eng-000 | Northern Isles |
| français | fra-000 | Northern Isles |
| Ethnologue Language Names | art-330 | Northern Isthmus Zapotec |
| English | eng-000 | Northern Italy |
| English | eng-000 | northernize |
| English | eng-000 | Northern Jacana |
| English | eng-000 | northern jacana |
| English | eng-000 | northern Jacob’s ladder |
| English | eng-000 | northern jacob’s-ladder |
| English | eng-000 | Northern Japanese hemlock |
| Ethnologue Language Names | art-330 | Northern Jiarong |
| English | eng-000 | northern John’s-wood |
| Glottolog Languoid Names | art-326 | Northern Jos |
| English | eng-000 | northern jute |
| English | eng-000 | Northern Jutland |
| Deutsch | deu-000 | Northern Kabuntalan |
| English | eng-000 | Northern Kabuntalan |
| Nederlands | nld-000 | Northern Kabuntalan |
| English | eng-000 | northern kahawai |
| Glottolog Languoid Names | art-326 | Northern Kaili-Pamona |
| Ethnologue Language Names | art-330 | Northern Kalanguya |
| ISO 639-3 Reference Names | art-289 | Northern Kalapuya |
| ISO 639-3 Print Names | art-290 | Northern Kalapuya |
| English | eng-000 | Northern Kalapuya |
| Northern Kalapuya | nrt-000 | Northern Kalapuya |
| Glottolog Languoid Names | art-326 | Northern Kalasha |
| Ethnologue Language Names | art-330 | Northern Kalasha |
| Glottolog Languoid Names | art-326 | Northern Kalenjin |
| Glottolog Languoid Names | art-326 | Northern Kalinga |
| Ethnologue Language Names | art-330 | Northern Kalinga |
| Glottolog Languoid Names | art-326 | Northern Kam |
| English | eng-000 | Northern Kam |
| Glottolog Languoid Names | art-326 | Northern Kaniet |
| ISO 639-3 Reference Names | art-289 | Northern Kankanay |
| ISO 639-3 Print Names | art-290 | Northern Kankanay |
| Glottolog Languoid Names | art-326 | Northern Kankanay |
| English | eng-000 | Northern Kankanay |
| Glottolog Languoid Names | art-326 | Northern Karelian |
| Ethnologue Language Names | art-330 | Northern Karelian |
| Glottolog Languoid Names | art-326 | Northern Karen |
| ISO 639-3 Reference Names | art-289 | Northern Katang |
| ISO 639-3 Print Names | art-290 | Northern Katang |
| English | eng-000 | Northern Katang |
| English | eng-000 | Northern Kati Muyu |
| Glottolog Languoid Names | art-326 | Northern Katkari |
| Ethnologue Language Names | art-330 | Northern Katkari |
| English | eng-000 | northern kelp crab |
| Deutsch | deu-000 | Northern Kentucky University |
| English | eng-000 | Northern Kentucky University |
| Ethnologue Language Names | art-330 | Northern Khaling |
| Glottolog Languoid Names | art-326 | Northern Khams |
| Ethnologue Language Names | art-330 | Northern Khams |
| Glottolog Languoid Names | art-326 | Northern Khanti |
| Ethnologue Language Names | art-330 | Northern Khanti |
| ISO 639-3 Reference Names | art-289 | Northern Khmer |
| ISO 639-3 Print Names | art-290 | Northern Khmer |
| Glottolog Languoid Names | art-326 | Northern Khmer |
| English | eng-000 | Northern Khmer |
| English | eng-000 | northern kiang |
| English | eng-000 | northern king crab |
| English | eng-000 | northern kingfish |
| Deutsch | deu-000 | Northern Kings |
| English | eng-000 | Northern Kings |
| suomi | fin-000 | Northern Kings |
| עברית | heb-000 | Northern Kings |
| Glottolog Languoid Names | art-326 | Northern Kirghiz |
| Ethnologue Language Names | art-330 | Northern Kirinyaga |
| ISO 639-3 Reference Names | art-289 | Northern Kissi |
| ISO 639-3 Print Names | art-290 | Northern Kissi |
| Glottolog Languoid Names | art-326 | Northern Kissi |
| English | eng-000 | Northern Kissi |
| English | eng-000 | northern kittentails |
| English | eng-000 | northern kneria |
| Glottolog Languoid Names | art-326 | Northern Kono |
| Ethnologue Language Names | art-330 | Northern Kono |
| English | eng-000 | northern kookaburra |
| Ethnologue Language Names | art-330 | Northern Kpele |
| Ethnologue Language Names | art-330 | Northern Krahn |
| English | eng-000 | northern krill |
| ISO 639-3 Reference Names | art-289 | Northern Kurdish |
| ISO 639-3 Print Names | art-290 | Northern Kurdish |
| Glottolog Languoid Names | art-326 | Northern Kurdish |
| Ethnologue Language Names | art-330 | Northern Kurdish |
| English | eng-000 | Northern Kurdish |
| English | eng-000 | northern Kurdish |
| Glottolog Languoid Names | art-326 | Northern Kutai |
| Ethnologue Language Names | art-330 | Northern Kutai |
| Ethnologue Language Names | art-330 | Northern Kyrgyz |
| Ethnologue Language Names | art-330 | Northern Lahu |
| Ethnologue Language Names | art-330 | Northern Lambya |
| English | eng-000 | northern lampfish |
| Ethnologue Language Names | art-330 | Northern Lapp |
| Ethnologue Language Names | art-330 | Northern Lappish |
| English | eng-000 | Northern Lapwing |
| English | eng-000 | Northern lapwing |
| English | eng-000 | northern lapwing |
| English | eng-000 | northern larkspur |
| English | eng-000 | northern latilude |
| English | eng-000 | northern latitude |
| English | eng-000 | Northern League |
| italiano | ita-000 | Northern League |
| Nederlands | nld-000 | Northern League |
| svenska | swe-000 | Northern League |
| English | eng-000 | Northern League Division One |
| svenska | swe-000 | Northern League Division One |
| English | eng-000 | Northern League Division Two |
| svenska | swe-000 | Northern League Division Two |
| English | eng-000 | northern lecidea lichen |
| Ethnologue Language Names | art-330 | Northern Leinong |
| Ethnologue Language Names | art-330 | Northern Lela |
| ISO 639-3 Print Names | art-290 | Northern Lendu |
| Glottolog Languoid Names | art-326 | Northern Lengua |
| English | eng-000 | northern leopard frog |
| English | eng-000 | Northern Liang |
| English | eng-000 | northern licorice-root |
| English | eng-000 | Northern Light |
| svenska | swe-000 | Northern Light |
| English | eng-000 | northern light |
| English | eng-000 | Northern Lighthouse Board |
| français | fra-000 | Northern Lighthouse Board |
| English | eng-000 | northern-light roof |
| Deutsch | deu-000 | Northern Lights |
| English | eng-000 | Northern Lights |
| English | eng-000 | Northern lights |
| Nederlands | nld-000 | Northern lights |
| English | eng-000 | northern lights |
| English | eng-000 | Northern Lights College |
| English | eng-000 | Northern Lights Playhouse |
| español | spa-000 | Northern Lights Playhouse |
| Glottolog Languoid Names | art-326 | Northern Limba |
| Ethnologue Language Names | art-330 | Northern Limba |
| English | eng-000 | Northern Limestone Alps |
| English | eng-000 | northern limit |
| English | eng-000 | Northern Limit Line |
| English | eng-000 | northern linanthus |
| English | eng-000 | Northern Line |
| English | eng-000 | Northern Link |
| Ethnologue Language Names | art-330 | Northern Lisu |
| English | eng-000 | Northern lobster |
| English | eng-000 | Northern Local Supervoid |
| Ethnologue Language Names | art-330 | Northern Logo |
| Glottolog Languoid Names | art-326 | Northern Logudorese |
| Ethnologue Language Names | art-330 | Northern Logudorese |
| English | eng-000 | northern longear |
| English | eng-000 | northern long-eared bat |
| English | eng-000 | northern long sedge |
| English | eng-000 | northern long-toed salamander |
| Glottolog Languoid Names | art-326 | Northern Lorung |
| Ethnologue Language Names | art-330 | Northern Lorung |
| English | eng-000 | Northern Lorung |
| English | eng-000 | Northern Low German |
| Glottolog Languoid Names | art-326 | Northern Low Saxon |
| Ethnologue Language Names | art-330 | Northern Low Saxon |
| English | eng-000 | Northern Low Saxon |
| Ethnologue Language Names | art-330 | Northern Luba |
| English | eng-000 | northern lugworm |
| Ethnologue Language Names | art-330 | Northern Lunda |
| Ethnologue Language Names | art-330 | Northern Lungmi |
| ISO 639-3 Reference Names | art-289 | Northern Luri |
| ISO 639-3 Print Names | art-290 | Northern Luri |
| Glottolog Languoid Names | art-326 | Northern Luri |
| English | eng-000 | Northern Luri |
| Glottolog Languoid Names | art-326 | Northern Lushootseed |
| Ethnologue Language Names | art-330 | Northern Lushootseed |
| Glottolog Languoid Names | art-326 | Northern Luzon |
| English | eng-000 | Northern Luzon Giant Cloud Rat |
| English | eng-000 | northern luzon giant cloud rat |
| English | eng-000 | Northern Luzon Shrew Rat |
| English | eng-000 | northern luzon shrew rat |
| Glottolog Languoid Names | art-326 | Northern Lwoo |
| English | eng-000 | northernly |
| Glottolog Languoid Names | art-326 | Northern Lyélé |
| Ethnologue Language Names | art-330 | Northern Lyélé |
| English | eng-000 | Northern lynx |
| English | eng-000 | northern lynx |
| English | eng-000 | Northern Maalhosmadulhu Atoll |
| Glottolog Languoid Names | art-326 | Northern Macedonian |
| Ethnologue Language Names | art-330 | Northern Macedonian |
| English | eng-000 | northern mackerel scad |
| English | eng-000 | northern mackerel-scad |
| English | eng-000 | northern madtom |
| English | eng-000 | Northern Mafa |
| Glottolog Languoid Names | art-326 | Northern Magahi |
| Ethnologue Language Names | art-330 | Northern Magahi |
| Glottolog Languoid Names | art-326 | Northern Magdalenic |
| English | eng-000 | northern maidenhair |
| English | eng-000 | Northern Maine Regional Airport at Presque Isle |
| lengua lumbarda | lmo-000 | Northern Maine Regional Airport at Presque Isle |
| Glottolog Languoid Names | art-326 | Northern Maipuran |
| Glottolog Languoid Names | art-326 | Northern Malagasic |
| Glottolog Languoid Names | art-326 | Northern Malaita |
| Glottolog Languoid Names | art-326 | Northern Malakula |
| Glottolog Languoid Names | art-326 | Northern Malimiut Inupiatun |
| English | eng-000 | Northern Mam |
| Glottolog Languoid Names | art-326 | Northern Mamasa |
| Ethnologue Language Names | art-330 | Northern Mamasa |
| Universal Networking Language | art-253 | northern mammoth |
| English | eng-000 | northern mammoth |
| Ethnologue Language Names | art-330 | Northern Mandarin |
| English | eng-000 | northern manna grass |
| Ethnologue Language Names | art-330 | Northern Mansi |
| Ethnologue Language Names | art-330 | Northern Mao |
| English | eng-000 | northern maple |
| English | eng-000 | Northern Maramuresh |
| English | eng-000 | Northern March |
| English | eng-000 | Northern Mariana Islander |
| Akan | aka-000 | Northern Mariana Islands |
| English | eng-000 | Northern Mariana Islands |
| Wikang Filipino | fil-000 | Northern Mariana Islands |
| bahasa Indonesia | ind-000 | Northern Mariana Islands |
| Dholuo | luo-000 | Northern Mariana Islands |
| Nàmá | naq-000 | Northern Mariana Islands |
| isiNdebele | nde-000 | Northern Mariana Islands |
| Amanung Sisuan | pam-000 | Northern Mariana Islands |
| Soomaaliga | som-000 | Northern Mariana Islands |
| Bahasa Malaysia | zsm-000 | Northern Mariana Islands |
| English | eng-000 | Northern Mariana Islands Task Force on the Termination of the Trusteeship |
| English | eng-000 | Northern Marianas |
| bahasa Indonesia | ind-000 | Northern Marianas |
| Bahasa Malaysia | zsm-000 | Northern Marianas |
| English | eng-000 | Northern Marianas Championship |
| English | eng-000 | Northern Marianas Islands |
| Glottolog Languoid Names | art-326 | Northern Maric |
| Glottolog Languoid Names | art-326 | Northern Marik |
| Ethnologue Language Names | art-330 | Northern Marik |
| Ethnologue Language Names | art-330 | Northern Markweeta |
| English | eng-000 | northern marsh orchid |
| English | eng-000 | northern marsh yellowcress |
| English | eng-000 | Northern Marsupial Mole |
| English | eng-000 | northern marsupial mole |
| Glottolog Languoid Names | art-326 | Northern Marwari |
| Ethnologue Language Names | art-330 | Northern Marwari |
| Glottolog Languoid Names | art-326 | Northern Masalit |
| Ethnologue Language Names | art-330 | Northern Masalit |
| ISO 639-3 Reference Names | art-289 | Northern Mashan Hmong |
| ISO 639-3 Print Names | art-290 | Northern Mashan Hmong |
| Glottolog Languoid Names | art-326 | Northern Mashan Hmong |
| Ethnologue Language Names | art-330 | Northern Mashan Hmong |
| English | eng-000 | Northern Mashan Hmong |
| ISO 639-3 Print Names | art-290 | Northern Mashan Miao |
| English | eng-000 | northern masked plover |
| English | eng-000 | northern masked titi |
| English | eng-000 | Northern Masked Weaver |
| English | eng-000 | northern masked weaver |
| English | eng-000 | northern masked-weaver |
| English | eng-000 | northern mastiff bat |
| Ethnologue Language Names | art-330 | Northern Mbene |
| Glottolog Languoid Names | art-326 | Northern Mbula |
| Ethnologue Language Names | art-330 | Northern Mbula |
| Glottolog Languoid Names | art-326 | Northern Mbum |
| English | eng-000 | northern meadowsweet |
| English | eng-000 | Northern Medium Mountains |
| Ethnologue Language Names | art-330 | Northern Miao |
| English | eng-000 | Northern Michigan |
| Deutsch | deu-000 | Northern Michigan University |
| English | eng-000 | Northern Michigan University |
| Glottolog Languoid Names | art-326 | Northern Micmac |
| Ethnologue Language Names | art-330 | Northern Micmac |
| English | eng-000 | northern middle latitude |
| English | eng-000 | Northern Midlands Council |
| Glottolog Languoid Names | art-326 | Northern Mijikenda |
| English | eng-000 | Northern milkcap |
| Ethnologue Language Names | art-330 | Northern Min |
| English | eng-000 | Northern Min |
| Deutsch | deu-000 | Northern Mindanao |
| English | eng-000 | Northern Mindanao |
| Nederlands | nld-000 | Northern Mindanao |
| Amanung Sisuan | pam-000 | Northern Mindanao |
| English | eng-000 | Northern Mindanao State Institute of Science and Technology |
| Amanung Sisuan | pam-000 | Northern Mindanao State Institute of Science and Technology |
| English | eng-000 | Northern minke whale |
| English | eng-000 | northern minnow |
| English | eng-000 | Northern Mockingbird |
| English | eng-000 | Northern mockingbird |
| English | eng-000 | northern mockingbird |