| Iloko | ilo-000 |
| Luxembourg | |
| Afrikaans | afr-000 | Luxemburg |
| ܐܬܘܪܝܐ | aii-000 | ܠܘܟܣܡܒܘܪܓ |
| toskërishte | als-000 | Luksemburgu |
| Englisce sprǣc | ang-000 | Letseburh |
| العربية | arb-000 | لوكسمبورغ |
| luenga aragonesa | arg-000 | Lusemburgo |
| asturianu | ast-000 | Luxemburgu |
| azərbaycanca | azj-000 | Lüksemburq |
| boarisch | bar-000 | Luxmburg |
| беларуская | bel-000 | Люксембург |
| тарашкевіца | bel-001 | Люксэмбург |
| বাংলা | ben-000 | লুক্সেমবুর্গ |
| bosanski | bos-000 | Luksemburg |
| বিষ্ণুপ্রিয়া মণিপুরী ভাষা | bpy-000 | লুক্সেমবুর্গ |
| brezhoneg | bre-000 | Luksembourg |
| български | bul-000 | Люксембург |
| català | cat-000 | Luxemburg |
| binisayang Sinugboanon | ceb-000 | Luxembourg |
| čeština | ces-000 | Lucembursko |
| нохчийн мотт | che-000 | Люксембург |
| 普通话 | cmn-000 | 卢森堡 |
| Kernowek | cor-000 | Lushaborg |
| lingua corsa | cos-000 | Lussemburgu |
| Qırımtatar tili | crh-000 | Lüksemburg |
| kaszëbsczi jãzëk | csb-000 | Luksembùrskô |
| Cymraeg | cym-000 | Lwcsembwrg |
| dansk | dan-000 | Luxembourg |
| Deutsch | deu-000 | Luxemburg |
| Zazaki | diq-000 | Luksemburg |
| ދިވެހިބަސް | div-000 | ލަޒަންބާ |
| dolnoserbska reč | dsb-000 | Luxemburgska |
| Emiliàn | egl-000 | Lussembûrgh |
| eesti | ekk-000 | Luksemburg |
| ελληνικά | ell-000 | Λουξεμβούργο |
| English | eng-000 | Luxembourg |
| Esperanto | epo-000 | Luksemburgio |
| euskara | eus-000 | Luxenburgo |
| suomi | fin-000 | Luxemburg |
| français | fra-000 | Luxembourg |
| lenga arpitana | frp-000 | Luxembôrg |
| Frysk | fry-000 | Lúksemboarch |
| lenghe furlane | fur-000 | Lussemburc |
| Gàidhlig | gla-000 | Lucsamburg |
| Gaeilge | gle-000 | Lucsamburg |
| galego | glg-000 | Luxemburgo - Lëtzebuerg |
| yn Ghaelg | glv-000 | Lucsemburg |
| Schwizerdütsch | gsw-000 | Luxemburg |
| Thong Boi | hak-003 | Lù-sêm-pó |
| kreyòl ayisyen | hat-000 | Liksanbou |
| Srpskohrvatski | hbs-001 | Luksemburg |
| עברית | heb-000 | לוקסמבורג |
| हिन्दी | hin-000 | लक्सेम्बर्ग |
| hrvatski | hrv-000 | Luksemburg |
| hornjoserbšćina | hsb-000 | Luxemburgska |
| magyar | hun-000 | Luxemburg |
| արևելահայերեն | hye-000 | Լյուքսեմբուրգ |
| Ido | ido-000 | Luxemburgia |
| Interlingue | ile-000 | Luxemburgia |
| interlingua | ina-000 | Luxemburg |
| íslenska | isl-000 | Lúxemborg |
| italiano | ita-000 | Lussemburgo |
| basa Jawa | jav-000 | Luksemburg |
| la lojban. | jbo-000 | laʼo zoi Lëtzebuerg zoi |
| 日本語 | jpn-000 | ルクセンブルク |
| Taqbaylit | kab-000 | Luxembourg |
| ქართული | kat-000 | ლუქსემბურგი |
| қазақ | kaz-000 | Лүксембор |
| Kurmancî | kmr-000 | Luksemburg |
| 한국어 | kor-000 | 룩셈부르크 |
| Kölsch | ksh-000 | Luxembursh |
| latine | lat-000 | Luxemburgum |
| lengua lígure | lij-000 | Luxemburgo |
| Limburgs | lim-000 | Luxemburg |
| lietuvių | lit-000 | Liuksemburgas |
| Lëtzebuergesch | ltz-000 | Lëtzebuerg |
| latviešu | lvs-000 | Luksemburga |
| मराठी | mar-000 | लक्झेंबर्ग |
| македонски | mkd-000 | Луксембург |
| Bân-lâm-gú | nan-005 | Luxembourg |
| Nāhuatlahtōlli | nci-000 | Luxemburgo |
| Plattdüütsch | nds-000 | Luxemborg |
| Nedersaksisch | nds-001 | Luxemburg |
| Nederlands | nld-000 | Luxemburg |
| nynorsk | nno-000 | Luxembourg |
| bokmål | nob-000 | Luxembourg |
| Novial | nov-000 | Luxembourg |
| नेपाली | npi-000 | लक्जेम्बर्ग |
| occitan | oci-000 | Luxemborg |
| ирон ӕвзаг | oss-000 | Люксембург |
| Amanung Sisuan | pam-000 | Luxembourg |
| پښتو ژبه | pbu-000 | لېکسامبورګ |
| Pennsilfaanisch Deitsch | pdc-000 | Luxemburg |
| فارسی | pes-000 | لوکزامبورگ |
| lenga piemontèisa | pms-000 | Lussemborgh |
| polski | pol-000 | Luksemburg |
| português | por-000 | Luxemburgo |
| Runa Simi | que-000 | Luksimbur |
| Kalderašicko Romani čhib | rmy-000 | Luksemburgo |
| lingua rumantscha | roh-000 | Luxemburg |
| română | ron-000 | Luxemburg |
| limba armãneascã | rup-000 | Luxemburg |
| русский | rus-000 | Люксембург |
| संस्कृतम् | san-000 | लक्सम्बर्ग |
| lingua siciliana | scn-000 | Lussimburgu |
| Scots leid | sco-000 | Luxembourg |
| Žemaitiu | sgs-000 | Lioksembōrgs |
| slovenčina | slk-000 | Luxembursko |
| slovenščina | slv-000 | Luksemburg |
| davvisámegiella | sme-000 | Luxemburg |
| español | spa-000 | Luxemburgo |
| Sardu logudoresu | src-000 | Lussemburgu |
| српски | srp-000 | Луксембург |
| svenska | swe-000 | Luxemburg |
| Kiswahili | swh-000 | Luxemburg |
| தமிழ் | tam-000 | லக்சம்பர்க் |
| lia-tetun | tet-000 | Luxemburgu |
| тоҷикӣ | tgk-000 | Люксембург |
| Tagalog | tgl-000 | Luxembourg |
| ภาษาไทย | tha-000 | ประเทศลักเซมเบิร์ก |
| Türkçe | tur-000 | Lüksemburg |
| удмурт кыл | udm-000 | Люксембург |
| українська | ukr-000 | Люксембург |
| oʻzbek | uzn-000 | Luksemburg |
| łéngua vèneta | vec-000 | Lusenburgo |
| tiếng Việt | vie-000 | Luxembourg |
| Vlaams | vls-000 | Luxemburg |
| Volapük | vol-000 | Luxämburgän |
| võro kiil | vro-000 | Luksõmburk |
| Winaray | war-000 | Luxemburg |
| lingaedje walon | wln-000 | Grande-Dutcheye do Lussimbork |
| kàllaama wolof | wol-000 | Luksembuur |
| Nourmaund | xno-000 | Luxembourg |
| ייִדיש | ydd-000 | לוקסעמבורג |
| 廣東話 | yue-000 | 盧森堡 |
| Zeêuws | zea-000 | Luxemburg |
| Bahasa Malaysia | zsm-000 | Luxembourg |