| slovenčina | slk-000 |
| Bulharsko | |
| аҧсуа бызшәа | abk-000 | Былгариа |
| Bahsa Acèh | ace-000 | Bulgaria |
| Afrikaans | afr-000 | Bulgarye |
| Aghem | agq-000 | Bùugɛlìa |
| ܐܬܘܪܝܐ | aii-000 | ܒܠܓܪܝܐ |
| Akan | aka-000 | Bɔlgeria |
| toskërishte | als-000 | Bulgarien |
| toskërishte | als-000 | Bullgari |
| toskërishte | als-000 | Bullgaria |
| አማርኛ | amh-000 | ቡልጋሪያ |
| አማርኛ | amh-000 | ቡልጌሪያ |
| Englisce sprǣc | ang-000 | Bulgaria |
| العربية | arb-000 | بلغاريا |
| العربية | arb-000 | بُلْغَارِيَا |
| العربية | arb-000 | جمهورية بلغاريا الشعبية |
| Classical Arabic—ASJP | arb-001 | (B?lģāriyā |
| ארמית | arc-000 | ܒܠܓܪܝܐ |
| luenga aragonesa | arg-000 | Bulgaria |
| ISO 3166 alpha | art-006 | BG |
| UN M.49 | art-279 | 100 |
| Kipare | asa-000 | Bulgaria |
| asturianu | ast-000 | Bulgaria |
| Aymara | aym-000 | Bulkariya |
| azərbaycanca | azj-000 | Bolqariya |
| azərbaycanca | azj-000 | Bolqarıstan |
| Азәрбајҹан дили | azj-001 | Болгарыстан |
| башҡорт теле | bak-000 | Болгария |
| bamanankan | bam-000 | Buligari |
| boarisch | bar-000 | Bulgarien |
| ɓàsàa | bas-000 | Bùlgarìà |
| беларуская | bel-000 | Балгарыя |
| беларуская | bel-000 | Баўгарыя |
| тарашкевіца | bel-001 | Баўгарыя |
| বাংলা | ben-000 | বুলগেরিয়া |
| Bangla | ben-001 | Bulageriỵā |
| Ekibena | bez-000 | Hubulgaria |
| بلوچی | bgn-003 | بولغاریه |
| བོད་སྐད་ | bod-000 | པུ་ར་ག་རི་ཡ |
| བོད་སྐད་ | bod-000 | བུལ་ག་རི་ཡ། |
| bosanski | bos-000 | Bugarska |
| босански | bos-001 | Бугарска |
| বিষ্ণুপ্রিয়া মণিপুরী ভাষা | bpy-000 | বুলগেরিয়া |
| brezhoneg | bre-000 | Bulgaria |
| बरʼ | brx-000 | बल्गैरिया |
| български | bul-000 | България |
| bălgarski ezik | bul-001 | Bălgarija |
| ብሊና | byn-000 | ቡልጌሪያ |
| català | cat-000 | Bulgària |
| binisayang Sinugboanon | ceb-000 | Bulgaria |
| čeština | ces-000 | Bulharsko |
| čeština | ces-000 | Bulharsko-state |
| čeština | ces-000 | Bulharská lidová republika |
| Rukiga | cgg-000 | Burugariya |
| нохчийн мотт | che-000 | Болгаре |
| нохчийн мотт | che-000 | Болгари |
| нохчийн мотт | che-000 | Болгарий |
| ᏣᎳᎩ ᎧᏬᏂᎯᏍᏗ | chr-000 | ᏊᎵᎨᎵᎠ |
| ѩзыкъ словѣньскъ | chu-000 | Блъгарї |
| чӑваш | chv-000 | Болгари |
| سۆرانی | ckb-000 | بولگاریا |
| 普通话 | cmn-000 | 保加利亚 |
| 普通话 | cmn-000 | 保加利亚人民共和国 |
| 國語 | cmn-001 | 保加利亞 |
| Hànyǔ | cmn-003 | Bǎo jiā lì ya |
| Hànyǔ | cmn-003 | Bǎojiālìyà |
| Kernowek | cor-000 | Bulgari |
| lingua corsa | cos-000 | Bulgaria |
| Qırımtatar tili | crh-000 | Bulğaristan |
| kaszëbsczi jãzëk | csb-000 | Bùlgarskô |
| Cymraeg | cym-000 | Bwlgaria |
| dansk | dan-000 | Bulgarien |
| Kitaita | dav-000 | Bulgaria |
| Deutsch | deu-000 | Bulgarien |
| Deutsch | deu-000 | Republik Bulgarien |
| Deutsch | deu-000 | Volksrepublik Bulgarien |
| Zazaki | diq-000 | Bulgarıstan |
| Zazaki | diq-000 | Bulğarıstan |
| ދިވެހިބަސް | div-000 | ބަލްގޭރިއާ |
| zarmaciine | dje-000 | Bulgaari |
| dolnoserbska reč | dsb-000 | Bulgarska |
| Jóola-Fóoñi | dyo-000 | Bulgari |
| རྫོང་ཁ་ | dzo-000 | བུལ་ག་རི་ཡ |
| Kĩembu | ebu-000 | Bulgaria |
| eesti | ekk-000 | Bulgaaria |
| ελληνικά | ell-000 | Βουλγαρία |
| ελληνικά | ell-000 | Βουλγαρία, η |
| Ellinika | ell-003 | Voulgaría |
| English | eng-000 | Ancient Greece |
| English | eng-000 | Bulgaria |
| English | eng-000 | People’s Republic of Bulgaria |
| English | eng-000 | Republic of Bulgaria |
| 𐐀𐑍𐑊𐐮𐑇 | eng-006 | 𐐒𐐲𐑊𐑀𐐯𐑉𐐨𐐲 |
| Esperanto | epo-000 | Bulgario |
| Esperanto | epo-000 | Bulgarujo |
| Esperanto | epo-000 | bulgarujo |
| euskara | eus-000 | Bulgaria |
| Ɛʋɛgbɛ | ewe-000 | Bulgaria nutome |
| ewondo | ewo-000 | Buləgarí |
| føroyskt | fao-000 | Bulgaria |
| Wikang Filipino | fil-000 | Bulgaria |
| suomi | fin-000 | Bulgaria |
| suomi | fin-000 | Bulgarian tasavalta |
| français | fra-000 | Bulgarie |
| français | fra-000 | République de Bulgarie |
| français | fra-000 | République populaire de Bulgarie |
| lenga arpitana | frp-000 | Bulgarie |
| Frysk | fry-000 | Bulgarije |
| Pulaar | fuc-000 | Bulgarii |
| Fulfulde | ful-000 | Bulgarii |
| lenghe furlane | fur-000 | Bulgarie |
| ግዕዝ | gez-000 | ቡልጌሪያ |
| Gàidhlig | gla-000 | A’ Bhulgair |
| Gàidhlig | gla-000 | A’ Bhulgaire |
| Gàidhlig | gla-000 | Bulgàiria |
| Gaeilge | gle-000 | An BhulgÚir |
| Gaeilge | gle-000 | An Bhulgáir |
| Gaeilge | gle-000 | Bulgàiria |
| Gaeilge | gle-000 | Bulgáir |
| Gaeilge | gle-000 | Poblacht na Bulgáire |
| Gaeilge | gle-000 | an Bhulgáir |
| galego | glg-000 | Bulgaria |
| galego | glg-000 | Bulgaria - България |
| yn Ghaelg | glv-000 | Bulgeyr |
| yn Ghaelg | glv-000 | Yn Vulgeyr |
| Schwizerdütsch | gsw-000 | Bulgaarie |
| Schwizerdütsch | gsw-000 | Bulgarien |
| avañeʼẽ | gug-000 | Vugaria |
| ગુજરાતી | guj-000 | બલ્ગેરિયા |
| ગુજરાતી | guj-000 | બુલ્ગેરિઆ |
| Ekegusii | guz-000 | Bulgaria |
| Thong Boi | hak-003 | Pó-kâ-li-â |
| Hak-kâ-ngî | hak-005 | Pó-kâ-li-â |
| kreyòl ayisyen | hat-000 | Bilgari |
| kreyòl ayisyen | hat-000 | Bulgari |
| Hausa | hau-000 | Bulgariya |
| ʻōlelo Hawaiʻi | haw-000 | Pulukalia |
| Српскохрватски | hbs-000 | Бугарска |
| Srpskohrvatski | hbs-001 | Bugarska |
| Srpskohrvatski | hbs-001 | Бугарска |
| עברית | heb-000 | בולגריה |
| ISO 259-3 | heb-001 | Bulgaria |
| हिन्दी | hin-000 | बल्गारिया |
| हिन्दी | hin-000 | बुलगारिया |
| हिन्दी | hin-000 | बुल्गारिया |
| हिन्दी | hin-000 | बुल्गारिया जनतांत्रिक गणराज्य |
| hrvatski | hrv-000 | Bugarska |
| hrvatski | hrv-000 | Bugarske |
| hornjoserbšćina | hsb-000 | Bołharska |
| magyar | hun-000 | Bolgár Köztársaság |
| magyar | hun-000 | Bolgár Népköztársaság |
| magyar | hun-000 | Bulgária |
| արևելահայերեն | hye-000 | Բուլղարիա |
| hyw-001 | Bulgharia | |
| Ido | ido-000 | Bulgaria |
| Interlingue | ile-000 | Bulgaria |
| Iloko | ilo-000 | Bulgaria |
| interlingua | ina-000 | Bulgaria |
| bahasa Indonesia | ind-000 | Bulgaria |
| íslenska | isl-000 | Búlgaría |
| italiano | ita-000 | Bulgaria |
| italiano | ita-000 | Repubblica Popolare di Bulgaria |
| basa Jawa | jav-000 | Bulgaria |
| Kimachame | jmc-000 | Bulgaria |
| 日本語 | jpn-000 | ブルガリア |
| 日本語 | jpn-000 | ブルガリア人民共和国 |
| 日本語 | jpn-000 | ブルガリア共和国 |
| 日本語 | jpn-000 | 勃牙利 |
| Nihongo | jpn-001 | Burugaria |
| qaraqalpaq tili | kaa-000 | Bolgariya |
| Taqbaylit | kab-000 | Bulgari |
| kalaallisut | kal-000 | Bulgaria |
| Kĩkamba | kam-000 | Bulgaria |
| ಕನ್ನಡ | kan-000 | ಬಲ್ಗೇರಿಯ |
| ಕನ್ನಡ | kan-000 | ಬಲ್ಗೇರಿಯಾ |
| كأشر | kas-000 | بَلجیرِیا |
| ქართული | kat-000 | ბულგარეთი |
| Kartuli | kat-001 | bulgareti |
| қазақ | kaz-000 | Болгария |
| қазақ | kaz-000 | Болғария |
| қазақ | kaz-000 | Бұлғарстан |
| Chimakonde | kde-000 | Bulgalia |
| kriolu kabuverdianu | kea-000 | Bulgaria |
| kriolu kabuverdianu | kea-000 | Bulgária |
| монгол | khk-000 | Болгар |
| ភាសាខ្មែរ | khm-000 | ប៊ុលហ្គារី |
| ភាសាខ្មែរ | khm-000 | សាធារណរដ្ឋប៊ុលហ្គារី |
| Koyra Chiini | khq-000 | Bulgaari |
| Gĩkũyũ | kik-000 | Bulgaria |
| кыргыз | kir-000 | Болгария |
| Kalenjin | kln-000 | Bulgaria |
| Kalenjin | kln-000 | Emetab Bulgaria |
| Kurmancî | kmr-000 | Bulgaristan |
| 한국어 | kor-000 | 불가리아 |
| Kishambaa | ksb-000 | Bulgalia |
| rikpa | ksf-000 | bulgarí |
| Kölsch | ksh-000 | Bullgaarije |
| Kölsch | ksh-000 | Bulljaarije |
| Kɨlaangi | lag-000 | Buligaría |
| ລາວ | lao-000 | ບັງກາເຣຍ |
| ລາວ | lao-000 | ບຸນກາຣີ |
| ລາວ | lao-000 | ບູລກາຣິ |
| latine | lat-000 | Bulgaria |
| Latina Nova | lat-003 | Bulgaria |
| lengua lígure | lij-000 | Bulgaïa |
| Limburgs | lim-000 | Bölgarieë |
| lingála | lin-000 | Biligari |
| lingála | lin-000 | Bulgaria |
| lietuvių | lit-000 | Bulgarija |
| līvõ kēļ | liv-000 | Bulgārij |
| Lëtzebuergesch | ltz-000 | Bulgarien |
| Tshiluba | lub-000 | Biligari |
| Oluganda | lug-000 | Bulugariya |
| Dholuo | luo-000 | Bulgaria |
| Oluluyia | luy-000 | Bulgaria |
| latviešu | lvs-000 | Bulgārija |
| മലയാളം | mal-000 | ബൾഗേറിയ |
| मराठी | mar-000 | बल्गेरिया |
| ɔl Maa | mas-000 | Bulgaria |
| Kĩmĩrũ | mer-000 | Bulgaria |
| morisyin | mfe-000 | Bilgari |
| македонски | mkd-000 | Бугарија |
| Makedonski jazik | mkd-001 | Bugarija |
| teny malagasy | mlg-000 | Bulgarie |
| Malti | mlt-000 | Bulgarija |
| Malti | mlt-000 | il-Bulgarija |
| reo Māori | mri-000 | Purukeria |
| reo Māori | mri-000 | Purukäria |
| reo Māori | mri-000 | Purukāria |
| mundaŋ | mua-000 | bulgariya |
| မြန်မာဘာသာ | mya-000 | ဘူဂေးရီးယား |
| မြန်မာဘာသာ | mya-000 | ဘူလ်ဂေးရီးယား |
| مازرونی | mzn-000 | بلغارستون |
| Bân-lâm-gú | nan-005 | Bulgariya |
| Nàmá | naq-000 | Bulgariab |
| dorerin Naoero | nau-000 | Borgeriya |
| dorerin Naoero | nau-000 | Bulgaria |
| Diné bizaad | nav-000 | Bálgaa bikéyah |
| Nāhuatlahtōlli | nci-000 | Bulgaritlān |
| isiNdebele | nde-000 | Bhulgariya |
| Plattdüütsch | nds-000 | Bulgarien |
| Nedersaksisch | nds-001 | Bulgarije |
| Plattdüütsch-Neddersassisch | nds-002 | Bulgarien |
| Nederlands | nld-000 | Bulgarije |
| Nederlands | nld-000 | Republiek Bulgarije |
| Kwasio | nmg-000 | Bulgaria |
| nynorsk | nno-000 | Bulgaria |
| bokmål | nob-000 | Bulgaria |
| norskr | non-000 | Bolgaraland |
| Novial | nov-000 | Bulgaria |
| नेपाली | npi-000 | बुल्गेरिया |
| Naadh | nus-000 | Bulga̱a̱ria |
| Runyankore | nyn-000 | Burugariya |
| occitan | oci-000 | Bolgària |
| occitan | oci-000 | Bulgaria |
| ଓଡ଼ିଆ | ory-000 | ବୁଲଗେରିଆ |
| ирон ӕвзаг | oss-000 | Болгари |
| Amanung Sisuan | pam-000 | Bulgaria |
| ਪੰਜਾਬੀ | pan-000 | ਬੁਲਗਾਰੀਆ |
| ਪੰਜਾਬੀ | pan-000 | ਬੁਲਗੇਰੀਆ |
| پښتو ژبه | pbu-000 | بلغاريه |
| پښتو ژبه | pbu-000 | بلغاريه/بلغارستان |
| پښتو ژبه | pbu-000 | بلغاریه |
| فارسی | pes-000 | بلغارستان |
| فارسی | pes-000 | جمهوري خلق بلغارستان |
| Isfahani | pes-001 | Bolghārestān |
| fiteny Malagasy | plt-000 | Biolgaria |
| fiteny Malagasy | plt-000 | Bulgarie |
| lenga piemontèisa | pms-000 | Bulgarìa |
| polski | pol-000 | Bułgaria |
| polski | pol-000 | Ludowa Republika Bułgarii |
| português | por-000 | Bulgária |
| português | por-000 | República Popular da Bulgária |
| português | por-000 | República da Bulgária |
| Prūsiskan | prg-000 | Bulgārija |
| زبان دری | prs-000 | بلغاریا |
| Runa Simi | que-000 | Bulgaria |
| Runa Simi | que-000 | Bulgariya |
| Runa Simi | que-000 | Bulgarya |
| Qusqu qhichwa simi | quz-000 | Bulgariya |
| Qusqu qhichwa simi | quz-000 | Bulgarya |
| Kalderašicko Romani čhib | rmy-000 | Bulgariya |
| Kihorombo | rof-000 | Bulgaria |
| lingua rumantscha | roh-000 | Bulgaria |
| Romani čhib | rom-000 | Bulgariya |
| română | ron-000 | Bulgaria |
| Лимба молдовеняскэ | ron-001 | Булгария |
| Kirundi | run-000 | Buligariya |
| limba armãneascã | rup-000 | Vurgaria |
| limba armãneascã | rup-000 | Vurgarii |
| русский | rus-000 | Болга́рия |
| русский | rus-000 | Болгария |
| русский | rus-000 | Республика Болгария |
| russkij | rus-001 | Bolgárija |
| Kiruwa | rwk-000 | Bulgaria |
| Sängö | sag-000 | Bulugarïi |
| саха тыла | sah-000 | Болгария |
| संस्कृतम् | san-000 | बुल्गारिया |
| saṃskṛtam | san-001 | Bulgāriyā |
| Samburu | saq-000 | Bulgaria |
| Ishisangu | sbp-000 | Buligaliya |
| lingua siciliana | scn-000 | Bulgaria |
| lingua siciliana | scn-000 | Bulgarìa |
| Scots leid | sco-000 | Bulgaria |
| Scots leid | sco-000 | Bulgarie |
| cisena | seh-000 | Bulgária |
| Koyraboro senni | ses-000 | Bulgaari |
| Žemaitiu | sgs-000 | Bulgarėjė |
| Tacelḥit | shi-001 | blɣara |
| ⵜⴰⵛⵍⵃⵉⵜ | shi-003 | ⴱⵍⵖⴰⵔⵢⴰ |
| සිංහල | sin-000 | බල්ගේරියාව |
| slovenčina | slk-000 | Bulharská ľudová republika |
| slovenščina | slv-000 | Bolgarija |
| slovenščina | slv-000 | Bolgárija |
| davvisámegiella | sme-000 | Bulgária |
| anarâškielâ | smn-000 | Bulgaria |
| chiShona | sna-000 | Bulgaria |
| Soomaaliga | som-000 | Bulgaariya |
| español | spa-000 | Bulgaria |
| español | spa-000 | República Popular de Bulgaria |
| shqip | sqi-000 | Bullgari |
| shqip | sqi-000 | Bullgaria |
| српски | srp-000 | Бугарска |
| srpski | srp-001 | Bugarska |
| svenska | swe-000 | Bulgarien |
| Kiswahili | swh-000 | Bulgaria |
| Ślůnsko godka | szl-000 | Bułgaryjo |
| தமிழ் | tam-000 | பல்கேரியா |
| tatar tele | tat-000 | Bulgaria |
| tatar tele | tat-000 | Болгария |
| татарча | tat-001 | Болгария |
| తెలుగు | tel-000 | బల్గేరియా |
| Ateso | teo-000 | Bulgaria |
| lia-tetun | tet-000 | Bulgária |
| тоҷикӣ | tgk-000 | Булғористон |
| тоҷикӣ | tgk-000 | Булғория |
| Tagalog | tgl-000 | Bulgaria |
| Tagalog | tgl-000 | Bulgarya |
| ภาษาไทย | tha-000 | บัลแกเรีย |
| ภาษาไทย | tha-000 | ประเทศบัลแกเรีย |
| ภาษาไทย | tha-000 | สาธารณรัฐประชาชนบัลแกเรีย |
| ቲግሬ | tig-000 | ቡልጌሪያ |
| ትግርኛ | tir-000 | ቡልጌሪያ |
| lea fakatonga | ton-000 | Pulukalia |
| Tok Pisin | tpi-000 | Balgeria |
| Tok Pisin | tpi-000 | Bulgaria |
| türkmençe | tuk-000 | Bolgariýa |
| Türkçe | tur-000 | Bulgaristan |
| Türkçe | tur-000 | Bulgaristan Cumhuriyeti |
| Tásàwàq | twq-000 | Bulgaari |
| Tamaziɣt | tzm-001 | Belɣarya |
| удмурт кыл | udm-000 | Болгария |
| ئۇيغۇرچە | uig-000 | بۇلغارىيە |
| Uyghurche | uig-001 | Bulghariye |
| Уйғурчә | uig-003 | булғарийә |
| українська | ukr-000 | Болгарія |
| Latynytsia | ukr-001 | Bolharija |
| اردو | urd-000 | بلغاریہ |
| oʻzbek | uzn-000 | Bolgariya |
| Ўзбекча | uzn-001 | Болгария |
| ꕙꔤ | vai-000 | ꗂꔠꔸꕩ |
| Vai | vai-001 | Bhɔgeriya |
| łéngua vèneta | vec-000 | Bulgaria |
| tiếng Việt | vie-000 | Bulgaria |
| tiếng Việt | vie-000 | Bun-ga-ri |
| tiếng Việt | vie-000 | Bung Ga Ri |
| tiếng Việt | vie-000 | Bungari |
| Vlaams | vls-000 | Bulgarije |
| Volapük | vol-000 | Bulgarän |
| võro kiil | vro-000 | Bulgaaria |
| Kyivunjo | vun-000 | Bulgaria |
| Walser | wae-000 | Bulgarie |
| ወላይታቱ | wal-000 | ቡልጌሪያ |
| Winaray | war-000 | Bulgaria |
| Winaray | war-000 | Bulgarya |
| lingaedje walon | wln-000 | Bulgåreye |
| kàllaama wolof | wol-000 | Bilgari |
| kàllaama wolof | wol-000 | Bulgaari |
| Sheta | xet-000 | Bolgra |
| Nourmaund | xno-000 | Bulgarie |
| Lusoga | xog-000 | Bulugariya |
| nuasúɛ | yav-000 | Pulukalíi |
| ייִדיש | ydd-000 | בולגאַריע |
| ייִדיש | ydd-000 | בולגאריע |
| yidish | ydd-001 | Bulgaria |
| èdè Yorùbá | yor-000 | Orílẹ́ède Bùùgáríà |
| èdè Yorùbá Orílẹ̀-èdè Olómìnira ilẹ̀ Benin | yor-011 | Orílɛ́ède Bùùgáríà |
| 廣東話 | yue-000 | 保加利亚 |
| 廣東話 | yue-000 | 保加利亞 |
| ⵜⴰⵎⴰⵣⵉⵖⵜ | zgh-000 | ⴱⵍⵖⴰⵔⵢⴰ |
| Bahasa Malaysia | zsm-000 | Bulgaria |
| isiZulu | zul-000 | i-Bulgaria |