| Language | Name | Code |
|---|---|---|
| Afrikaans | Barcelona | af |
| Amharic | ባርሴሎና | am |
| Aragonese | Barcelona | an |
| Arabic | برشلونة | ar |
| ary | برصلونة | ary |
| arz | بارسلونا | arz |
| Asturian | Barcelona | ast |
| Aymara | Barcelona | ay |
| Azerbaijani | Barselona | az |
| azb | بارسلونا | azb |
| Bashkir | Барселона | ba |
| ban | Barcelona | ban |
| Bavarian | Barcelona | bar |
| bcl | Barcelona | bcl |
| Belarusian | Барселона | be |
| be-tarask | Барсэлёна | be-tarask |
| Bulgarian | Барселона | bg |
| Bislama | Barcelona | bi |
| Bambara | Barcelona | bm |
| Bengali | বার্সেলোনা | bn |
| Tibetan | བྷར་སེ་ལོ་ནཱ། | bo |
| bpy | বার্সেলোনা | bpy |
| Breton | Barcelona | br |
| Bosnian | Barcelona | bs |
| bxr | Барселоно | bxr |
| Catalan | Barcelona | ca |
| cbk-zam | Barcelona | cbk-zam |
| Chechen | Барселона | ce |
| Cebuano | Barcelona | ceb |
| chy | Barcelona | chy |
| Central Kurdish | بارسێلۆنا | ckb |
| Corsican | Barcellona | co |
| crh | Barselona | crh |
| Czech | Barcelona | cs |
| csb | Barcelona | csb |
| Chuvash | Барселона | cv |
| Welsh | Barcelona | cy |
| Danish | Barcelona | da |
| dag | Barcelona | dag |
| German | Barcelona | de |
| de-ch | Barcelona | de-ch |
| diq | Barselona | diq |
| dsb | Barcelona | dsb |
| Modern Greek (1453-) | Βαρκελώνη | el |
| eml | Barcelóna | eml |
| English | Barcelona | en |
| en-ca | Barcelona | en-ca |
| en-gb | Barcelona | en-gb |
| en-us | Barcelona | en-us |
| Esperanto | Barcelono | eo |
| Spanish | Barcelona | es |
| Estonian | Barcelona | et |
| Basque | Bartzelona | eu |
| ext | Barcelona | ext |
| Persian | بارسلون | fa |
| Finnish | Barcelona | fi |
| Fijian | Barcelona | fj |
| Faroese | Barcelona | fo |
| French | Barcelone | fr |
| frp | Barcelona | frp |
| frr | Barcelona | frr |
| Western Frisian | Barcelona | fy |
| Irish | Barcelona | ga |
| Scottish Gaelic | Barcelona | gd |
| Galician | Barcelona | gl |
| glk | بارسلؤنا | glk |
| Guaraní | Barcelona | gn |
| got | 𐌱𐌰𐍂𐌸𐌰𐌹𐌻𐍉𐌽𐌰 | got |
| gpe | Barcelona | gpe |
| gsw | Barcelona | gsw |
| Gujarati | બાર્સિલોના | gu |
| Hausa | Barcelona | ha |
| hak | Barcelona | hak |
| Hebrew | ברצלונה | he |
| Hindi | बार्सिलोना | hi |
| Croatian | Barcelona | hr |
| Upper Sorbian | Barcelona | hsb |
| Haitian | Baselòn | ht |
| Hungarian | Barcelona | hu |
| Armenian | Բարսելոնա | hy |
| hyw | Պարսելոնա | hyw |
| Interlingua (International Auxiliary Language Association) | Barcelona | ia |
| Indonesian | Barcelona | id |
| Interlingue | Barcelona | ie |
| ilo | Barcelona | ilo |
| Ido | Barcelona | io |
| Icelandic | Barselóna | is |
| Italian | Barcellona | it |
| Japanese | バルセロナ | ja |
| Javanese | Barcelona | jv |
| Georgian | ბარსელონა | ka |
| kaa | Barselona | kaa |
| kab | Barseluna | kab |
| Kongo | Barcelona | kg |
| Kazakh | Барселона | kk |
| kk-cyrl | Барселона | kk-cyrl |
| Kannada | ಬಾರ್ಸಿಲೋನಾ | kn |
| Korean | 바르셀로나 | ko |
| Kurdish | Barselona | ku |
| Cornish | Barcelona | kw |
| Kirghiz | Барселона | ky |
| Latin | Barcino | la |
| lad | Barselona | lad |
| Luxembourgish | Barcelona | lb |
| lez | Барселона | lez |
| lfn | Barselona | lfn |
| Limburgan | Barcelona | li |
| lij | Barçelónn-a | lij |
| lld | Barcelona | lld |
| lmo | Barcelona | lmo |
| Lingala | Barcelona | ln |
| Lao | ບາກເຊໂລນ | lo |
| Lithuanian | Barselona | lt |
| Latvian | Barselona | lv |
| lzh | 巴塞羅那 | lzh |
| mai | बार्सिलोना | mai |
| mdf | Барсэлона | mdf |
| Malagasy | Barselona | mg |
| mhr | Барселоно | mhr |
| Macedonian | Барселона | mk |
| Malayalam | ബാഴ്സലോണ | ml |
| Mongolian | Барселон | mn |
| Marathi | बार्सिलोना | mr |
| Malay (macrolanguage) | Barcelona | ms |
| Maltese | Barċellona | mt |
| mul | Barcelona | mul |
| mwl | Barcelona | mwl |
| Burmese | ဘာစီလိုနာမြို့ | my |
| myv | Барселона ош | myv |
| mzn | بارسلون | mzn |
| Nauru | Barcelona | na |
| nah | Barcelona | nah |
| nan | Barcelona | nan |
| nap | Barcellona | nap |
| Norwegian Bokmål | Barcelona | nb |
| Low German | Barcelona | nds |
| nds-nl | Barcelona | nds-nl |
| Nepali (macrolanguage) | बार्सिलोना | ne |
| new | बार्सेलोना | new |
| Dutch | Barcelona | nl |
| Norwegian Nynorsk | Barcelona | nn |
| nov | Barselona | nov |
| Narom | Barcelona | nrm |
| Chichewa | Barcelona | ny |
| Occitan (post 1500) | Barcelona | oc |
| Livvi | Barcelona | olo |
| Oriya (macrolanguage) | ବାର୍ସିଲୋନା | or |
| Ossetian | Барселонæ | os |
| Panjabi | ਬਾਰਸੀਲੋਨਾ | pa |
| Pampanga | Barcelona | pam |
| pap | Barcelona | pap |
| pcd | Barcelona | pcd |
| Polish | Barcelona | pl |
| pms | Barslon-a | pms |
| pnb | بارسیلونا | pnb |
| Pushto | بارسلونا | ps |
| Portuguese | Barcelona | pt |
| pt-br | Barcelona | pt-br |
| pwn | barcelona a lizuk | pwn |
| Quechua | Barcelona | qu |
| Romansh | Barcelona | rm |
| rmy | Barcelona | rmy |
| Romanian | Barcelona | ro |
| Russian | Барселона | ru |
| rup | Barcelona | rup |
| Sanskrit | बार्सेलोना | sa |
| sah | Барселона | sah |
| Sardinian | Bartzellona | sc |
| Sicilian | Barcillona | scn |
| Scots | Barcelona | sco |
| Sindhi | بارسلونا | sd |
| Northern Sami | Barcelona | se |
| sgs | Barseluona | sgs |
| sh | Barcelona | sh |
| shi | Barsaluna | shi |
| Sinhala | බාසිලෝනාව | si |
| Slovak | Barcelona | sk |
| Slovenian | Barcelona | sl |
| smn | Barcelona | smn |
| sms | Barcelona | sms |
| Somali | Barcelona | so |
| Albanian | Barcelona | sq |
| Serbian | Барселона | sr |
| sr-ec | Барселона | sr-ec |
| srn | Barcelona | srn |
| Swedish | Barcelona | sv |
| Swahili (macrolanguage) | Barcelona | sw |
| szl | Barcelůna | szl |
| Tamil | பார்செலோனா | ta |
| Telugu | బార్సిలోనా | te |
| Tajik | Барселона | tg |
| tg-cyrl | Барселона | tg-cyrl |
| Thai | บาร์เซโลนา | th |
| Turkmen | Barselona | tk |
| Tagalog | Lungsod ng Barcelona | tl |
| tly | Barselona | tly |
| Tswana | Barcelona | tn |
| tok | ma tomo Paselona | tok |
| Turkish | Barselona | tr |
| Tatar | Барселона | tt |
| Twi | Barcelona | tw |
| Tahitian | Barcelona | ty |
| udm | Барселона | udm |
| Uighur | Barsélona | ug |
| Ukrainian | Барселона | uk |
| Urdu | برشلونہ | ur |
| Uzbek | Barselona | uz |
| Venda | Barcelona | ve |
| vec | Barcełona | vec |
| vep | Barselon | vep |
| Vietnamese | Barcelona | vi |
| Volapük | Barcelona | vo |
| vro | Barcelona | vro |
| Walloon | Bårçulone | wa |
| war | Barcelona | war |
| Wu Chinese | 巴塞罗那 | wuu |
| xmf | ბარსელონა | xmf |
| Yiddish | באַרצעלאָנע | yi |
| yue | 巴薩隆拿 | yue |
| Zhuang | Barcelona | za |
| Chinese | 巴塞罗那 | zh |
| zh-cn | 巴塞罗那 | zh-cn |
| zh-hans | 巴塞罗那 | zh-hans |
| zh-hant | 巴塞隆納 | zh-hant |
| zh-hk | 巴塞隆拿 | zh-hk |
| zh-mo | 巴塞羅那 | zh-mo |
| zh-my | 巴塞罗那 | zh-my |
| zh-sg | 巴塞罗那 | zh-sg |
| zh-tw | 巴塞隆納 | zh-tw |