| Language | Name | Code |
|---|---|---|
| Abkhazian | Буенос-Аирес | ab |
| ace | Buenos Aires | ace |
| ady | Буэнос Айрес | ady |
| Afrikaans | Buenos Aires | af |
| Amharic | ብዌኖስ አይሬስ | am |
| Aragonese | Buenos Aires | an |
| ang | Buenos Aires | ang |
| anp | ब्यूनस आयर्स | anp |
| Arabic | بوينس آيرس | ar |
| ary | بوينوس أيرس | ary |
| arz | بوينوس ايريس | arz |
| Asturian | Buenos Aires | ast |
| avk | Buenos Aires | avk |
| Aymara | Buenos Aires | ay |
| Azerbaijani | Buenos-Ayres | az |
| azb | بوئنوس آیرس | azb |
| Bashkir | Буэнос-Айрес | ba |
| ban | Buénos Airés | ban |
| Bavarian | Buenos Aires | bar |
| bcl | Buenos Aires | bcl |
| Belarusian | Буэнас-Айрэс | be |
| be-tarask | Буэнас-Айрэс | be-tarask |
| Bulgarian | Буенос Айрес | bg |
| Bambara | Buenos Aires | bm |
| Bengali | বুয়েনোস আইরেস | bn |
| Tibetan | པུ་ཨེ་ནོ་སི་ཨས་རི་སི། | bo |
| bpy | বুৱেনোস আইরেস | bpy |
| Breton | Buenos Aires | br |
| Bosnian | Buenos Aires | bs |
| bxr | Буэнос-Айрес | bxr |
| Catalan | Buenos Aires | ca |
| cbk-zam | Ciudad de Buenos Aires | cbk-zam |
| cdo | Buenos Aires | cdo |
| Chechen | Буэнос-Айрес | ce |
| Cebuano | Buenos Aires | ceb |
| Chamorro | Buenos Aires | ch |
| chy | Buenos Aires | chy |
| Central Kurdish | بوێنس ئایریس | ckb |
| Corsican | Buenos Aires | co |
| crh | Buenos Ayres | crh |
| crh-latn | Buenos Ayres | crh-latn |
| Czech | Buenos Aires | cs |
| Chuvash | Буэнос-Айрес | cv |
| Welsh | Buenos Aires | cy |
| Danish | Buenos Aires | da |
| dag | Buenos Aires | dag |
| German | Buenos Aires | de |
| de-at | Buenos Aires | de-at |
| de-ch | Buenos Aires | de-ch |
| diq | Buenos Aires | diq |
| dsb | Buenos Aires | dsb |
| dty | ब्यूनस आयर्स | dty |
| Ewe | Buenos Aires | ee |
| Modern Greek (1453-) | Μπουένος Άιρες | el |
| eml | Buenuxâires | eml |
| English | Buenos Aires | en |
| en-ca | Buenos Aires | en-ca |
| en-gb | Buenos Aires | en-gb |
| Esperanto | Bonaero | eo |
| Spanish | Buenos Aires | es |
| Estonian | Buenos Aires | et |
| Basque | Buenos Aires | eu |
| ext | Buenos Aires | ext |
| Persian | بوئنوس آیرس | fa |
| Finnish | Buenos Aires | fi |
| Fijian | Buenos Aires | fj |
| Faroese | Buenos Aires | fo |
| French | Buenos Aires | fr |
| frp | Buenos Aires | frp |
| frr | Buenos Aires | frr |
| Western Frisian | Buenos Aires | fy |
| Irish | Buenos Aires | ga |
| gag | Buenos Aires | gag |
| Scottish Gaelic | Buenos Aires | gd |
| Galician | Buenos Aires | gl |
| glk | بۊئنؤس آیرس | glk |
| Guaraní | Buenos Aires | gn |
| got | 𐌱𐌿𐌴𐌽𐌰𐌿𐍃 𐌰𐌹𐍂𐌴𐍃 | got |
| gpe | Buenos Aires | gpe |
| grc | Εὐαερόπολις | grc |
| gsw | Buenos Aires | gsw |
| Gujarati | બ્યુનોસ એરેસ | gu |
| Manx | Buenos Aires | gv |
| Hausa | Buenos Aires | ha |
| hak | Buenos Aires | hak |
| haw | Buenos Aires | haw |
| Hebrew | בואנוס איירס | he |
| Hindi | ब्यूनस आयर्स | hi |
| hif | Buenos Aires | hif |
| Croatian | Buenos Aires | hr |
| Upper Sorbian | Buenos Aires | hsb |
| Haitian | Bwènozè | ht |
| Hungarian | Buenos Aires | hu |
| Armenian | Բուենոս Այրես | hy |
| hyw | Պուէնոս Այրես | hyw |
| Interlingua (International Auxiliary Language Association) | Buenos Aires | ia |
| Indonesian | Buenos Aires | id |
| Interlingue | Buenos Aires | ie |
| ilo | Buenos Aires | ilo |
| inh | Буэнос-Айрес | inh |
| Ido | Buenos Aires | io |
| Icelandic | Búenos Aíres | is |
| Italian | Buenos Aires | it |
| Japanese | ブエノスアイレス | ja |
| jam | Buenos Aires | jam |
| Lojban | buenosaires | jbo |
| Javanese | Buenos Aires | jv |
| Georgian | ბუენოს-აირესი | ka |
| kaa | Buenos-Ayres | kaa |
| kab | Buenos Aires | kab |
| kbd | Буэнос Аирэс | kbd |
| kbp | Puyenezɛrɩ | kbp |
| Kongo | Buenos Aires | kg |
| Kazakh | Буэнос-Айрес | kk |
| kk-cyrl | Буэнос-Айрес | kk-cyrl |
| Kalaallisut | Buenos Aires | kl |
| Kannada | ಬ್ಯೂನಸ್ ಐರಿಸ್ | kn |
| Korean | 부에노스아이레스 | ko |
| Kurdish | Buenos Aires | ku |
| Cornish | Buenos Aires | kw |
| Kirghiz | Буэнос-Айрес | ky |
| Latin | Bonaeropolis | la |
| lad | Buenos Ayres | lad |
| Luxembourgish | Buenos Aires | lb |
| lez | Буэнос-Айрес | lez |
| lfn | Buenos Aires | lfn |
| Limburgan | Buenos Aires | li |
| lij | Bonesàire | lij |
| lmo | Buenos Aires | lmo |
| Lingala | Buenos Aires | ln |
| lrc | بوئنس آیرس | lrc |
| Lithuanian | Buenos Airės | lt |
| Latvian | Buenosairesa | lv |
| lzh | 布宜諾斯艾利斯 | lzh |
| map-bms | Buenos Aires | map-bms |
| mdf | Буэнос-Айрэс | mdf |
| Malagasy | Buenos Aires | mg |
| Maori | Buenos Aires | mi |
| min | Buenos Aires | min |
| Macedonian | Буенос Аирес | mk |
| Malayalam | ബ്യൂണസ് അയേഴ്സ് | ml |
| Mongolian | Буэнос-Айрес | mn |
| mni | ꯕꯨꯏꯅꯣꯁ ꯑꯩꯔꯦꯁ | mni |
| Marathi | बुएनोस आइरेस | mr |
| Malay (macrolanguage) | Buenos Aires | ms |
| Maltese | Buenos Aires | mt |
| mwl | Buenos Aires | mwl |
| Burmese | ဗျူနိုအေးရိစ်မြို့ | my |
| myv | Буэнос-Айрес ош | myv |
| mzn | بوینس آیرس | mzn |
| nah | Buenos Aires | nah |
| nan | Buenos Aires | nan |
| nap | Buenos Aires | nap |
| Norwegian Bokmål | Buenos Aires | nb |
| Low German | Buenos Aires | nds |
| Nepali (macrolanguage) | ब्यूनस आयर्स | ne |
| new | बुयनोस आयरेस | new |
| Dutch | Buenos Aires | nl |
| Norwegian Nynorsk | Buenos Aires | nn |
| nov | Buenos Aires | nov |
| Narom | Bouonézâr | nrm |
| Navajo | Níłchʼi Yáʼádaatʼéehii | nv |
| Chichewa | Buenos Aires | ny |
| Occitan (post 1500) | Buenos Aires | oc |
| Livvi | Buenos-Aires | olo |
| Oriya (macrolanguage) | ବୁଏନ୍ସ ଏଆରସ | or |
| Ossetian | Буэнос-Айрес | os |
| Panjabi | ਬੁਏਨਸ ਆਇਰਸ | pa |
| pag | Buenos Aires | pag |
| pap | Buenos Aires | pap |
| pcd | Buenos Aires | pcd |
| pdc | Buenos Aires | pdc |
| Polish | Buenos Aires | pl |
| pms | Buenos Aires | pms |
| pnb | بیونس آئرس | pnb |
| Pushto | بوئنوس آيرز | ps |
| Portuguese | Buenos Aires | pt |
| pt-br | Buenos Aires | pt-br |
| Quechua | Buenos Aires | qu |
| Romansh | Buenos Aires | rm |
| rmf | Buenos Aires | rmf |
| rmy | Buenos Aires | rmy |
| Rundi | Buenos Aires | rn |
| Romanian | Buenos Aires | ro |
| roa-tara | Buenos Aires | roa-tara |
| Russian | Буэнос-Айрес | ru |
| rue | Буенос Аірес | rue |
| rup | Buenos Aires | rup |
| Kinyarwanda | Buenos Aires | rw |
| sah | Буэнос Айрес | sah |
| sat | ᱵᱩᱭᱮᱱᱳᱥ ᱟᱭᱨᱮᱥ | sat |
| Sardinian | Buenos Aires | sc |
| Sicilian | Buenos Aires | scn |
| Scots | Buenos Aires | sco |
| Sindhi | بيونس آئرس | sd |
| Northern Sami | Buenos Aires | se |
| sgs | Buenas Airēs | sgs |
| sh | Buenos Aires | sh |
| Sinhala | බුවනොස් අයිරීස් | si |
| Slovak | Buenos Aires | sk |
| Slovenian | Buenos Aires | sl |
| smn | Buenos Aires | smn |
| sms | Buenos Aires | sms |
| Shona | Buenos Aires | sn |
| Somali | Buenos Aires | so |
| Albanian | Buenos Aires | sq |
| Serbian | Буенос Ајрес | sr |
| Southern Sotho | Buenos Aires | st |
| stq | Buenos Aires | stq |
| Swedish | Buenos Aires | sv |
| Swahili (macrolanguage) | Buenos Aires | sw |
| szl | Buenos Aires | szl |
| Tamil | புவெனஸ் ஐரிஸ் | ta |
| Telugu | బ్యూనస్ ఏరీస్ | te |
| Tetum | Buenos Aires | tet |
| Tajik | Буэнос Айрес | tg |
| tg-cyrl | Буэнос Айрес | tg-cyrl |
| Thai | บัวโนสไอเรส | th |
| Turkmen | Buenos-Aýres | tk |
| Tagalog | Lungsod ng Buenos Aires | tl |
| tly | Buenos-Ayres | tly |
| Turkish | Buenos Aires | tr |
| Tatar | Буэнос-Айрес | tt |
| tum | Buenos Aires | tum |
| Twi | Buenos Aires | tw |
| Tahitian | Buenos Aires | ty |
| udm | Буэнос-Айрес | udm |
| Uighur | Buénos Ayrés | ug |
| Ukrainian | Буенос-Айрес | uk |
| Urdu | بیونس آئرس | ur |
| Uzbek | Buenos Ayres | uz |
| vec | Buenos Aires | vec |
| vep | Buenos Aires | vep |
| Vietnamese | Buenos Aires | vi |
| Volapük | Buenos Aires | vo |
| vro | Buenos Aires | vro |
| war | Buenos Aires | war |
| Wu Chinese | 布宜诺斯艾利斯 | wuu |
| xmf | ბუენოს–აირესი | xmf |
| Yiddish | בוענאס איירעס | yi |
| Yoruba | Buenos Aires | yo |
| yue | 布宜諾斯艾利斯 | yue |
| Zhuang | Buyijnozsw Aihliswh | za |
| zea | Buenos Aires | zea |
| Chinese | 布宜諾斯艾利斯 | zh |
| zh-cn | 布宜诺斯艾利斯 | zh-cn |
| zh-hans | 布宜诺斯艾利斯 | zh-hans |
| zh-hant | 布宜諾斯艾利斯 | zh-hant |
| zh-hk | 布宜諾斯艾利斯 | zh-hk |
| zh-mo | 布宜諾斯艾利斯 | zh-mo |
| zh-my | 布宜诺斯艾利斯 | zh-my |
| zh-sg | 布宜诺斯艾利斯 | zh-sg |
| zh-tw | 布宜諾斯艾利斯 | zh-tw |
| Zulu | Buenos Aires | zu |