| Language | Name | Code |
|---|---|---|
| Abkhazian | Лондон | ab |
| ace | London | ace |
| ady | Лондон | ady |
| Afrikaans | Londen | af |
| Amharic | ለንደን | am |
| ami | London | ami |
| Aragonese | Londres | an |
| ang | Lunden | ang |
| anp | लंदन | anp |
| Arabic | لندن | ar |
| Official Aramaic (700-300 BCE) | ܠܘܢܕܘܢ | arc |
| ary | لوندريس | ary |
| arz | لندن | arz |
| Assamese | লণ্ডন | as |
| Asturian | Londres | ast |
| Avaric | Лондон | av |
| avk | London | avk |
| awa | लण्डन | awa |
| Aymara | London | ay |
| Azerbaijani | London | az |
| azb | لندن | azb |
| Bashkir | Лондон | ba |
| ban | London | ban |
| Bavarian | London | bar |
| bcl | Londres | bcl |
| Belarusian | Лондан | be |
| be-tarask | Лёндан | be-tarask |
| bew | Londen | bew |
| Bulgarian | Лондон | bg |
| bho | लंदन | bho |
| Bislama | London | bi |
| Bambara | London | bm |
| Bengali | লন্ডন | bn |
| Tibetan | ལོན་ཊོན། | bo |
| Breton | Londrez | br |
| brh | Landan | brh |
| Bosnian | London | bs |
| bxr | Лондон | bxr |
| Catalan | Londres | ca |
| cbk-zam | London | cbk-zam |
| cdo | Lùng-dŭng | cdo |
| Chechen | Лондон | ce |
| Cebuano | London | ceb |
| chr | ᎫᎴ ᏗᏍᎪᏂᎯᏱ | chr |
| Central Kurdish | لەندەن | ckb |
| Corsican | Londra | co |
| crh | London | crh |
| crh-latn | London | crh-latn |
| Czech | Londýn | cs |
| csb | London | csb |
| Church Slavic | Лондонъ | cu |
| Chuvash | Лондон | cv |
| Welsh | Llundain | cy |
| Danish | London | da |
| dag | London | dag |
| German | London | de |
| de-ch | London | de-ch |
| diq | Londra | diq |
| dsb | London | dsb |
| dtp | London | dtp |
| dty | लण्डन | dty |
| Dhivehi | ލަންޑަން | dv |
| Ewe | London | ee |
| Modern Greek (1453-) | Λονδίνο | el |
| eml | Lòndra | eml |
| English | London | en |
| en-ca | London | en-ca |
| en-gb | London | en-gb |
| en-us | London | en-us |
| Esperanto | Londono | eo |
| Spanish | Londres | es |
| Estonian | London | et |
| Basque | Londres | eu |
| ext | Londri | ext |
| Persian | لندن | fa |
| Fulah | London | ff |
| Finnish | Lontoo | fi |
| Fijian | Lodoni | fj |
| Faroese | London | fo |
| French | Londres | fr |
| frp | Londres | frp |
| frr | London | frr |
| fur | Londre | fur |
| Western Frisian | Londen | fy |
| Irish | Londain | ga |
| gag | London | gag |
| gan | 倫敦 | gan |
| gcr | Lonn | gcr |
| Scottish Gaelic | Lunnainn | gd |
| Galician | Londres | gl |
| glk | لندن | glk |
| Guaraní | Londye | gn |
| gom | ಲಂಡನ್ | gom |
| got | 𐌻𐌰𐌿𐌽𐌳𐌰𐌿𐌽 | got |
| gpe | London | gpe |
| gsw | London | gsw |
| Gujarati | લંડન | gu |
| Manx | Lunnin | gv |
| Hausa | Landan | ha |
| hak | Lùn-tûn | hak |
| haw | Lākana | haw |
| Hebrew | לונדון | he |
| Hindi | लंदन | hi |
| hif | London | hif |
| Croatian | London | hr |
| Upper Sorbian | London | hsb |
| Haitian | Lonn | ht |
| Hungarian | London | hu |
| Armenian | Լոնդոն | hy |
| hyw | Լոնտոն | hyw |
| Interlingua (International Auxiliary Language Association) | London | ia |
| iba | London | iba |
| Indonesian | London | id |
| Interlingue | London | ie |
| Igbo | London | ig |
| ilo | Londres | ilo |
| inh | Лондон | inh |
| Ido | London | io |
| Icelandic | London | is |
| Italian | Londra | it |
| Japanese | ロンドン | ja |
| jam | Landan | jam |
| Lojban | london | jbo |
| Javanese | London | jv |
| Georgian | ლონდონი | ka |
| kaa | London | kaa |
| kab | London | kab |
| kbd | Лондон | kbd |
| kbp | Lɔndrɩ | kbp |
| kcg | London | kcg |
| kge | London | kge |
| Kazakh | Лондон | kk |
| kk-cyrl | Лондон | kk-cyrl |
| Kalaallisut | London | kl |
| Khmer | ទីក្រុងឡុង | km |
| Kannada | ಲಂಡನ್ | kn |
| Korean | 런던 | ko |
| koi | Лондон | koi |
| krc | Лондон | krc |
| Kashmiri | لَندَن | ks |
| ksh | London | ksh |
| Kurdish | London | ku |
| Komi | Лондон | kv |
| Cornish | Loundres | kw |
| Kirghiz | Лондон | ky |
| Latin | Londinium | la |
| lad | Londra | lad |
| Luxembourgish | London | lb |
| lbe | Лондон | lbe |
| lez | Лондон | lez |
| lfn | London | lfn |
| Limburgan | Londe | li |
| lij | Londra | lij |
| lld | London | lld |
| lmo | Lundra | lmo |
| Lingala | Londoni | ln |
| Lao | ລອນດອນ | lo |
| lrc | لندن | lrc |
| Lithuanian | Londonas | lt |
| Latvian | Londona | lv |
| lzh | 倫敦 | lzh |
| mag | लन्दन | mag |
| mai | लण्डन | mai |
| map-bms | London | map-bms |
| mdf | Лондон | mdf |
| Malagasy | London | mg |
| mhr | Лондон | mhr |
| Maori | Rānana | mi |
| min | London | min |
| Macedonian | Лондон | mk |
| Malayalam | ലണ്ടൻ | ml |
| Mongolian | Лондон | mn |
| Marathi | लंडन | mr |
| mrj | Лондон | mrj |
| Malay (macrolanguage) | London | ms |
| ms-arab | لندن | ms-arab |
| Maltese | Londra | mt |
| mwl | Londres | mwl |
| Burmese | လန်ဒန်မြို့ | my |
| myv | Лондон ош | myv |
| mzn | لندن | mzn |
| Nauru | London | na |
| nah | Londres | nah |
| nan | Lûn-tun | nan |
| nan-hani | 倫敦 | nan-hani |
| nap | Londra | nap |
| Norwegian Bokmål | London | nb |
| Low German | London | nds |
| nds-nl | Londen | nds-nl |
| Nepali (macrolanguage) | लण्डन | ne |
| new | लण्डन | new |
| Dutch | Londen | nl |
| Norwegian Nynorsk | London | nn |
| nov | London | nov |
| nqo | ߟߐ߲ߘߐ߲߬ | nqo |
| Narom | Londres | nrm |
| Navajo | Tooh Dineʼé Bikin Haalʼá | nv |
| Chichewa | London | ny |
| Occitan (post 1500) | Londres | oc |
| Livvi | London | olo |
| Oromo | Landan | om |
| Oriya (macrolanguage) | ଲଣ୍ଡନ | or |
| Ossetian | Лондон | os |
| Panjabi | ਲੰਦਨ | pa |
| pap | London | pap |
| pcd | Londe | pcd |
| pdc | London | pdc |
| pih | London | pih |
| Polish | Londyn | pl |
| pms | Londra | pms |
| pnb | لندن | pnb |
| pnt | Λονδίνο | pnt |
| Pushto | لندن | ps |
| Portuguese | Londres | pt |
| pt-br | Londres | pt-br |
| pwn | lundun | pwn |
| Quechua | Lunrun | qu |
| Romansh | Londra | rm |
| rmy | London | rmy |
| Romanian | Londra | ro |
| roa-tara | Londre | roa-tara |
| Russian | Лондон | ru |
| rue | Лондон | rue |
| rup | Londra | rup |
| Sanskrit | लन्डन् | sa |
| sah | Лондон | sah |
| sat | ᱞᱚᱱᱰᱚᱱ | sat |
| Sardinian | Londra | sc |
| Sicilian | Londra | scn |
| Scots | Lunnon | sco |
| Sindhi | لنڊن | sd |
| Northern Sami | London | se |
| sgs | Londons | sgs |
| sh | London | sh |
| shi | Lunḍun | shi |
| shn | လၼ်ႇတၼ်ႇ | shn |
| Sinhala | ලන්ඩන් | si |
| Slovak | Londýn | sk |
| skr | لندن | skr |
| Slovenian | London | sl |
| Samoan | Lonetona | sm |
| smn | Lontoo | smn |
| Shona | London | sn |
| Somali | London | so |
| Albanian | Londër | sq |
| Serbian | Лондон | sr |
| sr-ec | Лондон | sr-ec |
| sr-el | London | sr-el |
| srn | London | srn |
| Southern Sotho | London | st |
| stq | London | stq |
| Sundanese | London | su |
| Swedish | London | sv |
| Swahili (macrolanguage) | London | sw |
| syl | ꠟꠘ꠆ꠒꠘ ꠘꠉꠞ | syl |
| szl | Lůndůn | szl |
| szy | Lon-tun | szy |
| Tamil | இலண்டன் | ta |
| Telugu | లండన్ | te |
| Tetum | Londres | tet |
| Tajik | Лондон | tg |
| tg-cyrl | Лондон | tg-cyrl |
| Thai | ลอนดอน | th |
| Turkmen | London | tk |
| Tagalog | Londres | tl |
| tly | London | tly |
| Tonga (Tonga Islands) | Lonitoni | to |
| tok | ma tomo Lanten | tok |
| Tok Pisin | Landen | tpi |
| Turkish | Londra | tr |
| Tatar | Лондон | tt |
| tt-cyrl | Лондон | tt-cyrl |
| tum | London | tum |
| Twi | London | tw |
| udm | Лондон | udm |
| Uighur | London | ug |
| Ukrainian | Лондон | uk |
| Urdu | لندن | ur |
| Uzbek | London | uz |
| vec | Łondra | vec |
| vep | London | vep |
| Vietnamese | Luân Đôn | vi |
| vls | Londn | vls |
| Volapük | London | vo |
| vro | London | vro |
| Walloon | Londe | wa |
| war | London | war |
| Wolof | Londar | wo |
| Wu Chinese | 伦敦 | wuu |
| xmf | ლონდონი | xmf |
| Yiddish | לאנדאן | yi |
| Yoruba | Lọndọnu | yo |
| yue | 倫敦 | yue |
| Zhuang | Lunzdunh | za |
| zea | Londen | zea |
| zgh | ⵍⵓⵏⴷⵓⵏ | zgh |
| Chinese | 倫敦 | zh |
| zh-cn | 伦敦 | zh-cn |
| zh-hans | 伦敦 | zh-hans |
| zh-hant | 倫敦 | zh-hant |
| zh-hk | 倫敦 | zh-hk |
| zh-mo | 倫敦 | zh-mo |
| zh-my | 伦敦 | zh-my |
| zh-sg | 伦敦 | zh-sg |
| zh-tw | 倫敦 | zh-tw |
| Zulu | ILondon | zu |