| Language | Name | Code |
|---|---|---|
| Abkhazian | Белград | ab |
| ace | Belgrade | ace |
| ady | Белград | ady |
| Afrikaans | Belgrado | af |
| Amharic | በልግራድ | am |
| Aragonese | Belgrado | an |
| Arabic | بلغراد | ar |
| ary | بلڭراد | ary |
| arz | بلجراد | arz |
| Asturian | Belgráu | ast |
| Avaric | Белград | av |
| avk | Beograd | avk |
| Azerbaijani | Belqrad | az |
| azb | بلقراد | azb |
| Bashkir | Белград | ba |
| ban | Beograd | ban |
| bcl | Belgrade | bcl |
| Belarusian | Бялград | be |
| be-tarask | Бялград | be-tarask |
| bew | Bèlgrado | bew |
| Bulgarian | Белград | bg |
| Bengali | বেলগ্রেড | bn |
| Tibetan | བེལ་གེ་རེ་ཌི། | bo |
| Breton | Beograd | br |
| Bosnian | Beograd | bs |
| bxr | Белград | bxr |
| Catalan | Belgrad | ca |
| cbk-zam | Belgrado | cbk-zam |
| cdo | Belgrade | cdo |
| Chechen | Белград | ce |
| Cebuano | Belgrado | ceb |
| Central Kurdish | بێلگراد | ckb |
| Corsican | Belgradu | co |
| crh | Belgrad | crh |
| crh-latn | Belgrad | crh-latn |
| Czech | Bělehrad | cs |
| csb | Belgrad | csb |
| Church Slavic | Бѣлъ Градъ · Срьбїи | cu |
| Chuvash | Белград | cv |
| Welsh | Beograd | cy |
| Danish | Beograd | da |
| German | Belgrad | de |
| de-ch | Belgrad | de-ch |
| diq | Belgrad | diq |
| dsb | Běłogrod | dsb |
| Modern Greek (1453-) | Βελιγράδι | el |
| English | Belgrade | en |
| en-ca | Belgrade | en-ca |
| en-gb | Belgrade | en-gb |
| Esperanto | Beogrado | eo |
| Spanish | Belgrado | es |
| Estonian | Belgrad | et |
| Basque | Belgrad | eu |
| ext | Belgradu | ext |
| Persian | بلگراد | fa |
| Finnish | Belgrad | fi |
| Faroese | Beograd | fo |
| French | Belgrade | fr |
| frp | Bèlgrade | frp |
| frr | Belgrad | frr |
| fur | Belgrât | fur |
| Western Frisian | Belgrado | fy |
| Irish | Béalgrád | ga |
| gag | Belgrad | gag |
| Scottish Gaelic | Belgrade | gd |
| Galician | Belgrado | gl |
| Guaraní | Belyrat | gn |
| gsw | Belgrad | gsw |
| Gujarati | બેલગ્રેડ | gu |
| Manx | Belgraaid | gv |
| Hausa | Belgrade | ha |
| hak | Belgrade | hak |
| Hebrew | בלגרד | he |
| Hindi | बॅलग्रेड | hi |
| hif | Belgrade | hif |
| Croatian | Beograd | hr |
| Upper Sorbian | Běłohród | hsb |
| Haitian | Bèlgrad | ht |
| Hungarian | Belgrád | hu |
| Armenian | Բելգրադ | hy |
| hyw | Պելկրատ | hyw |
| Interlingua (International Auxiliary Language Association) | Belgrad | ia |
| Indonesian | Beograd | id |
| Interlingue | Beograd | ie |
| Ido | Belgrade | io |
| Icelandic | Belgrad | is |
| Italian | Belgrado | it |
| Japanese | ベオグラード | ja |
| Javanese | Beograd | jv |
| Georgian | ბელგრადი | ka |
| kaa | Belgrad | kaa |
| kab | Belgrad | kab |
| kge | Beograd | kge |
| Kazakh | Белград | kk |
| kk-cyrl | Белград | kk-cyrl |
| Kannada | ಬೆಲ್ಗ್ರೇಡ್ | kn |
| Korean | 베오그라드 | ko |
| Kurdish | Belgrad | ku |
| Komi | Белград | kv |
| Cornish | Beograd | kw |
| Kirghiz | Белград | ky |
| Latin | Belgradum | la |
| lad | Belogrado | lad |
| Luxembourgish | Belgrad | lb |
| lfn | Beograd | lfn |
| Limburgan | Belgrado | li |
| lij | Belgraddo | lij |
| lmo | Belgrad | lmo |
| Lingala | Belgrad | ln |
| lrc | بلگراد | lrc |
| Lithuanian | Belgradas | lt |
| Latvian | Belgrada | lv |
| lzh | 貝爾格勒 | lzh |
| mdf | Бэоград | mdf |
| Malagasy | Belgrade | mg |
| Maori | Belgrade | mi |
| Macedonian | Белград | mk |
| Malayalam | ബെൽഗ്രേഡ് | ml |
| Mongolian | Белград | mn |
| Marathi | बेलग्रेड | mr |
| Malay (macrolanguage) | Belgrade | ms |
| Maltese | Belgrad | mt |
| myv | Белград ош | myv |
| mzn | بلگراد | mzn |
| Nauru | Belgrad | na |
| nah | Belgrado | nah |
| nan | Be̍h-o͘-gô-la̍t | nan |
| Norwegian Bokmål | Beograd | nb |
| Low German | Belgrad | nds |
| new | बेल्ग्रेड | new |
| Dutch | Belgrado | nl |
| Norwegian Nynorsk | Beograd | nn |
| nov | Beograd | nov |
| Navajo | Bineʼ Naʼadziʼiiłgaaí | nv |
| Occitan (post 1500) | Belgrad | oc |
| Livvi | Belgrad | olo |
| Ossetian | Белград | os |
| Panjabi | ਬੈਲਗ੍ਰਾਦ | pa |
| pap | Belgrado | pap |
| pcd | Belgrade | pcd |
| pih | Belgrade | pih |
| Polish | Belgrad | pl |
| pms | Belgrad | pms |
| pnb | بلغراد | pnb |
| Pushto | بلګراډ | ps |
| Portuguese | Belgrado | pt |
| pt-br | Belgrado | pt-br |
| Quechua | Beograd | qu |
| Romansh | Belgrad | rm |
| rmy | Belgrade | rmy |
| Romanian | Belgrad | ro |
| Russian | Белград | ru |
| rue | Белеград | rue |
| rup | Biligrad | rup |
| sah | Белград | sah |
| Sardinian | Belgrado | sc |
| Sicilian | Belgradu | scn |
| Scots | Belgrade | sco |
| Northern Sami | Belgrad | se |
| sgs | Belgrads | sgs |
| sh | Beograd | sh |
| Sinhala | බෙල්ග්රේඩ් | si |
| Slovak | Belehrad | sk |
| Slovenian | Beograd | sl |
| Samoan | Belgrade | sm |
| Shona | Belgrade | sn |
| Somali | Belgaraad | so |
| Albanian | Beogradi | sq |
| Serbian | Београд | sr |
| sr-ec | Београд | sr-ec |
| sr-el | Beograd | sr-el |
| Southern Sotho | Beograd | st |
| Swedish | Belgrad | sv |
| Swahili (macrolanguage) | Belgrad | sw |
| szl | Belgrad | szl |
| Tamil | பெல்கிறேட் | ta |
| Telugu | బెల్గ్రేడ్ | te |
| Tajik | Белград | tg |
| tg-cyrl | Белград | tg-cyrl |
| Thai | เบลเกรด | th |
| Turkmen | Belgrad | tk |
| Tagalog | Belgrade | tl |
| tly | Belqrad | tly |
| Turkish | Belgrad | tr |
| Tatar | Белград | tt |
| Twi | Belgrade | tw |
| Tahitian | Beograd | ty |
| udm | Белград | udm |
| Uighur | بېلگراد | ug |
| ug-arab | بېلگراد | ug-arab |
| ug-latn | Bélgrad | ug-latn |
| Ukrainian | Белград | uk |
| Urdu | بلغراد | ur |
| Uzbek | Belgrad | uz |
| vec | Belgrado | vec |
| vep | Belgrad | vep |
| Vietnamese | Beograd | vi |
| vls | Belgrado | vls |
| Volapük | Beograd | vo |
| vro | Belgrad | vro |
| war | Belgrade | war |
| Wolof | Belgrad | wo |
| Wu Chinese | 贝尔格莱德 | wuu |
| xmf | ბელგრადი | xmf |
| Yiddish | בעלגראד | yi |
| Yoruba | Belgrade | yo |
| yue | 貝爾格萊德 | yue |
| Chinese | 贝尔格莱德 | zh |
| zh-cn | 贝尔格莱德 | zh-cn |
| zh-hans | 贝尔格莱德 | zh-hans |
| zh-hant | 貝爾格勒 | zh-hant |
| zh-hk | 貝爾格萊德 | zh-hk |
| zh-mo | 貝爾格萊德 | zh-mo |
| zh-my | 贝尔格莱德 | zh-my |
| zh-sg | 贝尔格莱德 | zh-sg |
| zh-tw | 貝爾格勒 | zh-tw |