| Türkçe | tur-000 |
| Bulgaristan Cumhuriyeti | |
| Afrikaans | afr-000 | Bulgarye |
| Afrikaans | afr-000 | Republiek van Bulgarye |
| العربية | arb-000 | بلغاريا |
| العربية | arb-000 | جمهورية بلغاريا |
| ISO 3166 alpha | art-006 | BG |
| asturianu | ast-000 | Bulgaria |
| Aymara | aym-000 | Ripublika Bulkariya |
| azərbaycanca | azj-000 | Bolqarıstan |
| azərbaycanca | azj-000 | Bolqarıstan Respublikası |
| boarisch | bar-000 | Bulgarien |
| беларуская | bel-000 | Балгарыя |
| বাংলা | ben-000 | বুলগেরিয়া |
| bosanski | bos-000 | Bugarska |
| bosanski | bos-000 | Republika Bugarska |
| brezhoneg | bre-000 | Bulgaria |
| български | bul-000 | България |
| български | bul-000 | Република България |
| bălgarski ezik | bul-001 | Republika Bălgarija |
| català | cat-000 | Bulgària |
| čeština | ces-000 | Bulharsko |
| čeština | ces-000 | Bulharsko-state |
| čeština | ces-000 | Bulharská republika |
| чӑваш | chv-000 | Болгари |
| 普通话 | cmn-000 | 保加利亚 |
| 普通话 | cmn-000 | 保加利亚共和国 |
| 國語 | cmn-001 | 保加利亞 |
| 國語 | cmn-001 | 保加利亞共和國 |
| Hànyǔ | cmn-003 | Bǎo jiā lì ya |
| Kernowek | cor-000 | Repoblek Bulgari |
| Qırımtatar tili | crh-000 | Bulğaristan |
| Cymraeg | cym-000 | Bwlgaria |
| Cymraeg | cym-000 | Gweriniaeth Bwlgaria |
| dansk | dan-000 | Bulgarien |
| dansk | dan-000 | Republikken Bulgarien |
| Deutsch | deu-000 | Bulgarien |
| Deutsch | deu-000 | Republik Bulgarien |
| Zazaki | diq-000 | Bulğarıstan |
| eesti | ekk-000 | Bulgaaria |
| eesti | ekk-000 | Bulgaaria Vabariik |
| ελληνικά | ell-000 | Βουλγαρία |
| ελληνικά | ell-000 | Δημοκρατία της Βουλγαρίας |
| English | eng-000 | Ancient Greece |
| English | eng-000 | Bulgaria |
| English | eng-000 | Republic of Bulgaria |
| Esperanto | epo-000 | Bulgara Respubliko |
| Esperanto | epo-000 | Bulgario |
| Esperanto | epo-000 | Bulgarujo |
| Esperanto | epo-000 | bulgarujo |
| euskara | eus-000 | Bulgaria |
| euskara | eus-000 | Bulgariako Errepublika |
| føroyskt | fao-000 | Bulgaria |
| føroyskt | fao-000 | Lýðveldið Bulgaria |
| suomi | fin-000 | Bulgaria |
| suomi | fin-000 | Bulgarian tasavalta |
| français | fra-000 | Bulgarie |
| français | fra-000 | République de Bulgarie |
| Frysk | fry-000 | Bulgarije |
| lenghe furlane | fur-000 | Bulgarie |
| Gàidhlig | gla-000 | Bulgàiria |
| Gaeilge | gle-000 | An BhulgÚir |
| Gaeilge | gle-000 | An Bhulgáir |
| Gaeilge | gle-000 | Poblacht na Bulgáire |
| galego | glg-000 | Bulgaria |
| galego | glg-000 | República de Bulgaria |
| yn Ghaelg | glv-000 | Pobblaght ny Bulgeyr |
| Srpskohrvatski | hbs-001 | Bugarska |
| Srpskohrvatski | hbs-001 | Бугарска |
| עברית | heb-000 | בולגריה |
| עברית | heb-000 | הרפובליקה של בולגריה |
| हिन्दी | hin-000 | बल्गारिया गणराज्य |
| हिन्दी | hin-000 | बुल्गारिया |
| hrvatski | hrv-000 | Bugarska |
| hrvatski | hrv-000 | Bugarske |
| hrvatski | hrv-000 | Republika Bugarska |
| hornjoserbšćina | hsb-000 | Bołharska |
| magyar | hun-000 | Bolgár Köztársaság |
| magyar | hun-000 | Bulgária |
| արևելահայերեն | hye-000 | Բուլղարիա |
| Ido | ido-000 | Bulgaria |
| Inuktitut | iku-001 | Kunngiitsuuffik Bulgaria |
| interlingua | ina-000 | Bulgaria |
| bahasa Indonesia | ind-000 | Bulgaria |
| íslenska | isl-000 | Búlgaría |
| íslenska | isl-000 | Lýðveldið Búlgaría |
| italiano | ita-000 | Bulgaria |
| italiano | ita-000 | Repubblica di Bulgaria |
| 日本語 | jpn-000 | ブルガリア |
| 日本語 | jpn-000 | ブルガリア共和国 |
| qaraqalpaq tili | kaa-000 | Bolgariya |
| Kĩkamba | kam-000 | Bulgaria |
| ქართული | kat-000 | ბულგარეთი |
| қазақ | kaz-000 | Болгария |
| қазақ | kaz-000 | Бұлғарстан |
| ភាសាខ្មែរ | khm-000 | ប៊ុលហ្គារី |
| ភាសាខ្មែរ | khm-000 | សាធារណរដ្ឋប៊ុលហ្គារី |
| Gĩkũyũ | kik-000 | Bulgaria |
| кыргыз | kir-000 | Болгария |
| Kalenjin | kln-000 | Bulgaria |
| Kurmancî | kmr-000 | Komara Bulgaristanê |
| 한국어 | kor-000 | 불가리아 |
| Kölsch | ksh-000 | Bulljaarije |
| Limburgs | lim-000 | Bölgarieë |
| lingála | lin-000 | Bulgaria |
| lietuvių | lit-000 | Bulgarija |
| lietuvių | lit-000 | Bulgarijos Respublika |
| lietuvių | lit-000 | Bulgarijos respublika |
| līvõ kēļ | liv-000 | Bulgārij |
| Dholuo | luo-000 | Bulgaria |
| Oluluyia | luy-000 | Bulgaria |
| latviešu | lvs-000 | Bulgārija |
| latviešu | lvs-000 | Bulgārijas Republika |
| Kĩmĩrũ | mer-000 | Bulgaria |
| македонски | mkd-000 | Бугарија |
| Malti | mlt-000 | Bulgarija |
| Malti | mlt-000 | Repubblika tal-Bulgarija |
| reo Māori | mri-000 | Purukeria |
| reo Māori | mri-000 | Purukäria |
| reo Māori | mri-000 | Purukāria |
| reo Māori | mri-000 | Tūwehe Purukāria |
| Diné bizaad | nav-000 | Bálgaa bikéyah |
| Nederlands | nld-000 | Bulgarije |
| Nederlands | nld-000 | Republiek Bulgarije |
| nynorsk | nno-000 | Bulgaria |
| bokmål | nob-000 | Bulgaria |
| bokmål | nob-000 | Republikken Bulgaria |
| Novial | nov-000 | Bulgaria |
| नेपाली | npi-000 | बुल्गेरिया |
| occitan | oci-000 | Bulgaria |
| ирон ӕвзаг | oss-000 | Болгари |
| فارسی | pes-000 | بلغارستان |
| lenga piemontèisa | pms-000 | Bulgarìa |
| polski | pol-000 | Bułgaria |
| polski | pol-000 | Republika Bułgarii |
| português | por-000 | Bulgária |
| português | por-000 | República da Bulgária |
| Qusqu qhichwa simi | quz-000 | Bulgarya |
| Qusqu qhichwa simi | quz-000 | Bulgarya Ripuwlika |
| română | ron-000 | Bulgaria |
| română | ron-000 | Republica Bulgaria |
| русский | rus-000 | Болгария |
| русский | rus-000 | Республика Болгария |
| russkij | rus-001 | Respúblika Bolgárija |
| саха тыла | sah-000 | Болгария |
| संस्कृतम् | san-000 | बुल्गारिया |
| lingua siciliana | scn-000 | Bulgarìa |
| Scots leid | sco-000 | Republic o Bulgarie |
| slovenčina | slk-000 | Bulharsko |
| slovenčina | slk-000 | Bulharská republika |
| slovenščina | slv-000 | Bolgarija |
| slovenščina | slv-000 | Republika Bolgarija |
| davvisámegiella | sme-000 | Bulgária |
| gagana faʻa Samoa | smo-000 | Lepulika o Bultalia |
| Soomaaliga | som-000 | Jamhuuriyadda Bulgaria |
| español | spa-000 | Bulgaria |
| español | spa-000 | República de Bulgaria |
| shqip | sqi-000 | Bullgari |
| shqip | sqi-000 | Republika e Bullgarisë |
| Sranantongo | srn-000 | Repoliku fu Bulgari |
| српски | srp-000 | Бугарска |
| srpski | srp-001 | Bugarska |
| srpski | srp-001 | Republika Bugarska |
| svenska | swe-000 | Bulgarien |
| svenska | swe-000 | Republiken Bulgarien |
| Kiswahili | swh-000 | Bulgaria |
| Kiswahili | swh-000 | Jamhuri ya Bulgaria |
| தமிழ் | tam-000 | பல்கேரியா |
| tatar tele | tat-000 | Bulgaria |
| lia-tetun | tet-000 | Bulgária |
| тоҷикӣ | tgk-000 | Булғористон |
| Tagalog | tgl-000 | Bulgaria |
| Tagalog | tgl-000 | Republika ng Bulgarya |
| ภาษาไทย | tha-000 | บัลแกเรีย |
| ภาษาไทย | tha-000 | ประเทศบัลแกเรีย |
| ภาษาไทย | tha-000 | สาธารณรัฐบัลแกเรีย |
| türkmençe | tuk-000 | Bolgariýa |
| türkmençe | tuk-000 | Bolgariýa Respublikasy |
| Türkçe | tur-000 | Bulgaristan |
| ئۇيغۇرچە | uig-000 | بۇلغارىيە |
| українська | ukr-000 | Болгарія |
| українська | ukr-000 | Республіка Болгарія |
| اردو | urd-000 | بلغاریہ |
| oʻzbek | uzn-000 | Bolgariya |
| oʻzbek | uzn-000 | Bolgariya Respublikasi |
| vepsän kel’ | vep-000 | Bolgarijan Tazovaldkund |
| tiếng Việt | vie-000 | Bulgaria |
| tiếng Việt | vie-000 | Bun-ga-ri |
| Volapük | vol-000 | Bulgarän |
| lingaedje walon | wln-000 | Bulgåreye |
| kàllaama wolof | wol-000 | Republik bu Bulgaari |
| 廣東話 | yue-000 | 保加利亞 |
| Bahasa Malaysia | zsm-000 | Bulgaria |