| Language | Name | Code |
|---|---|---|
| Abkhazian | Сҭампыл | ab |
| ace | Éseutamu | ace |
| ady | Истамбыл | ady |
| Afrikaans | Istanboel | af |
| Amharic | ኢስታንቡል | am |
| Aragonese | Istambul | an |
| ang | Constantinople | ang |
| anp | इस्तानबुल | anp |
| Arabic | إسطنبول | ar |
| Official Aramaic (700-300 BCE) | ܐܝܣܛܢܒܘܠ | arc |
| ary | إسطانبول | ary |
| arz | استانبول | arz |
| Assamese | ইষ্টানবুল | as |
| Asturian | Estambul | ast |
| Avaric | Истамбул | av |
| awa | इस्तानबुल | awa |
| Azerbaijani | İstanbul | az |
| azb | ایستانبول | azb |
| Bashkir | Истанбул | ba |
| ban | Istanbul | ban |
| Bavarian | Istanbul | bar |
| Belarusian | Стамбул | be |
| be-tarask | Стамбул | be-tarask |
| Bulgarian | Истанбул | bg |
| bho | इस्तांबुल | bho |
| Bambara | Istanbul | bm |
| Bengali | ইস্তাম্বুল | bn |
| Breton | Istanbul | br |
| Bosnian | Istanbul | bs |
| bxr | Истанбул | bxr |
| Catalan | Istanbul | ca |
| cdo | Istanbul | cdo |
| Chechen | Стамбул | ce |
| Cebuano | İstanbul | ceb |
| chy | Istanbul | chy |
| Central Kurdish | ئەستەمبوڵ | ckb |
| Corsican | Istanbul | co |
| crh | İstanbul | crh |
| crh-latn | İstanbul | crh-latn |
| Czech | Istanbul | cs |
| csb | Sztambùl | csb |
| Church Slavic | Цѣсар҄ь Градъ | cu |
| Chuvash | Стамбул | cv |
| Welsh | Istanbul | cy |
| Danish | Istanbul | da |
| dag | Istanbul | dag |
| German | Istanbul | de |
| diq | Estanbol | diq |
| dsb | Istanbul | dsb |
| dtp | Istanbul | dtp |
| dty | इस्तानबुल | dty |
| Modern Greek (1453-) | Κωνσταντινούπολη | el |
| English | Istanbul | en |
| en-us | Istanbul | en-us |
| Esperanto | Istanbulo | eo |
| Spanish | Estambul | es |
| Estonian | İstanbul | et |
| Basque | Istanbul | eu |
| ext | Estambul | ext |
| Persian | استانبول | fa |
| Finnish | Istanbul | fi |
| Fijian | Istanbul | fj |
| Faroese | Istanbul | fo |
| French | Istanbul | fr |
| frp | Istanbul | frp |
| frr | Istanbul | frr |
| fur | Istanbul | fur |
| Western Frisian | Istanbûl | fy |
| Irish | Iostanbúl | ga |
| gag | İstanbul | gag |
| gan | 伊斯坦布爾 | gan |
| gcr | Istanbul | gcr |
| Scottish Gaelic | Istanbul | gd |
| Galician | Istambul | gl |
| glk | ايستامبۊل | glk |
| Guaraní | Estambul | gn |
| gor | Istanbul | gor |
| got | 𐌹𐍃𐍄𐌰𐌽𐌱𐌿𐌻 | got |
| gpe | Istanbul | gpe |
| grc | Κωνσταντινούπολη | grc |
| gsw | Istanbul | gsw |
| Gujarati | ઈસ્તાંબુલ | gu |
| Manx | İstanbul | gv |
| Hausa | Istanbul | ha |
| hak | Istanbul | hak |
| Hebrew | איסטנבול | he |
| Hindi | इस्तांबुल | hi |
| hif | Istanbul | hif |
| Croatian | Istanbul | hr |
| Upper Sorbian | Istanbul | hsb |
| Haitian | Istanboul | ht |
| Hungarian | Isztambul | hu |
| Armenian | Ստամբուլ | hy |
| hyw | Պոլիս | hyw |
| Interlingua (International Auxiliary Language Association) | Istanbul | ia |
| iba | Istanbul | iba |
| Indonesian | Istanbul | id |
| Interlingue | Istanbul | ie |
| ilo | Istanbul | ilo |
| inh | Истмале | inh |
| Ido | Istanbul | io |
| Icelandic | Istanbúl | is |
| Italian | Istanbul | it |
| Japanese | イスタンブール | ja |
| jam | Istanbul | jam |
| Javanese | Istanbul | jv |
| Georgian | სტამბოლი | ka |
| kaa | İstanbul | kaa |
| kab | Istambul | kab |
| kbd | Истамбыл | kbd |
| kbp | Isitambuli | kbp |
| kcg | Itambut | kcg |
| kge | Istanbul | kge |
| Kikuyu | İstanbul | ki |
| Kazakh | Ыстамбұл | kk |
| kk-cyrl | Ыстамбұл | kk-cyrl |
| kk-kz | Ыстамбұл | kk-kz |
| Kalaallisut | Istanbul | kl |
| Kannada | ಇಸ್ತಾಂಬುಲ್ | kn |
| Korean | 이스탄불 | ko |
| krc | Стампул | krc |
| Kurdish | Stembol | ku |
| ku-latn | Stembol | ku-latn |
| Cornish | Istanbul | kw |
| Kirghiz | Стамбул | ky |
| Latin | Constantinopolis | la |
| lad | İstanbul | lad |
| Luxembourgish | Istanbul | lb |
| lbe | Истамбул | lbe |
| lez | Истамбул | lez |
| lfn | Istanbul | lfn |
| Limburgan | Istanboel | li |
| lld | Istanbul | lld |
| lmo | Istanbul | lmo |
| Lingala | Istanbul | ln |
| Lao | ອິສະຕັນບູນ | lo |
| lrc | استانبول | lrc |
| Lithuanian | Stambulas | lt |
| Latvian | Stambula | lv |
| lzh | 伊斯坦堡 | lzh |
| mai | इस्तानबुल | mai |
| mdf | Истанбул | mdf |
| Malagasy | Istanbul | mg |
| mhr | Стамбул | mhr |
| Maori | Istanbul | mi |
| min | Istanbul | min |
| Macedonian | Истанбул | mk |
| Malayalam | ഇസ്താംബുൾ | ml |
| Mongolian | Стамбул | mn |
| Marathi | इस्तंबूल | mr |
| mrj | Стамбул | mrj |
| Malay (macrolanguage) | Setambul | ms |
| ms-arab | ستمبول | ms-arab |
| Maltese | Istanbul | mt |
| Burmese | အစ်စတန်ဘူလ်မြို့ | my |
| myv | Стамбул ош | myv |
| mzn | استامبول | mzn |
| Nauru | Istanbul | na |
| nah | Estambul | nah |
| nan | İstanbul | nan |
| Norwegian Bokmål | Istanbul | nb |
| Low German | Istanbul | nds |
| nds-nl | Istanboel | nds-nl |
| Nepali (macrolanguage) | इस्तानबुल | ne |
| new | इस्तान्बुल | new |
| Dutch | Istanbul | nl |
| Norwegian Nynorsk | Istanbul | nn |
| nov | Istanbul | nov |
| nqo | ߌߛߑߕߊ߲ߓߎߟ | nqo |
| Narom | Coustantinoble | nrm |
| Navajo | Ałchʼįʼ Nááʼáhá | nv |
| Chichewa | Istanbul | ny |
| Occitan (post 1500) | Istambol | oc |
| Livvi | Istanbul | olo |
| Oriya (macrolanguage) | ଇସ୍ତାନବୁଲ | or |
| Ossetian | Стамбул | os |
| ota | استانبول | ota |
| Panjabi | ਇਸਤਾਂਬੁਲ | pa |
| pap | Istanbul | pap |
| pcd | Istamboul | pcd |
| pih | Istanbul | pih |
| Polish | Stambuł | pl |
| pms | Istanbul | pms |
| pnb | استنبول | pnb |
| Pushto | استانبول | ps |
| Portuguese | Istambul | pt |
| pt-br | Istambul | pt-br |
| Quechua | Istampul | qu |
| Romansh | Istanbul | rm |
| rmy | Istanbul | rmy |
| Romanian | Istanbul | ro |
| roa-tara | Istanbul | roa-tara |
| Russian | Стамбул | ru |
| rue | Істанбул | rue |
| Kinyarwanda | Istanbul | rw |
| sah | Истанбул | sah |
| sat | ᱤᱥᱛᱟᱱᱵᱩᱞ | sat |
| Sardinian | Istanbul | sc |
| Sicilian | Istanbul | scn |
| Scots | Istanbul | sco |
| Sindhi | استنبول | sd |
| Northern Sami | Istanbul | se |
| sgs | Stanbols | sgs |
| sh | Istanbul | sh |
| Sinhala | ඉස්තාන්බුල් | si |
| Slovak | Istanbul | sk |
| Slovenian | Carigrad | sl |
| Somali | Istanbuul | so |
| Albanian | Stambolli | sq |
| Serbian | Истанбул | sr |
| sr-ec | Истанбул | sr-ec |
| Swedish | Istanbul | sv |
| Swahili (macrolanguage) | Istanbul | sw |
| szl | Stambuł | szl |
| Tamil | இசுதான்புல் | ta |
| Telugu | ఇస్తాంబుల్ | te |
| Tetum | Istanbul | tet |
| Tajik | Истанбул | tg |
| tg-cyrl | Истанбул | tg-cyrl |
| Thai | อิสตันบูล | th |
| Turkmen | Stambul | tk |
| Tagalog | Istanbul | tl |
| tly | İstanbul | tly |
| Turkish | İstanbul | tr |
| Tatar | Истанбул | tt |
| tum | Istanbul | tum |
| Twi | Istanbul | tw |
| tyv | Истaнбул | tyv |
| udm | Стамбул | udm |
| Uighur | ئىستانبۇل | ug |
| ug-arab | ئىستانبۇل | ug-arab |
| ug-latn | Istanbul | ug-latn |
| Ukrainian | Стамбул | uk |
| Urdu | استنبول | ur |
| Uzbek | Istanbul | uz |
| vec | Istanbul | vec |
| vep | Stambul | vep |
| Vietnamese | Istanbul | vi |
| vls | Istanbul | vls |
| Volapük | İstanbul | vo |
| vro | Istanbul | vro |
| war | Istanbul | war |
| Wu Chinese | 伊斯坦布尔 | wuu |
| xal | Истанбул балһсн | xal |
| xmf | სტამბოლი | xmf |
| Yiddish | סטאמבול | yi |
| Yoruba | Istanbul | yo |
| yue | 伊斯坦堡 | yue |
| zea | Istanbul | zea |
| zgh | ⵉⵙⵟⴰⵏⴱⵓⵍ | zgh |
| Chinese | 伊斯坦堡 | zh |
| zh-cn | 伊斯坦布尔 | zh-cn |
| zh-hans | 伊斯坦布尔 | zh-hans |
| zh-hant | 伊斯坦堡 | zh-hant |
| zh-hk | 伊斯坦堡 | zh-hk |
| zh-mo | 伊斯坦堡 | zh-mo |
| zh-my | 伊斯坦堡 | zh-my |
| zh-sg | 伊斯坦堡 | zh-sg |
| zh-tw | 伊斯坦堡 | zh-tw |
| Zulu | Istanbul | zu |