| kreyòl ayisyen | hat-000 |
| Bulgari | |
| toskërishte | als-000 | Bullgaria |
| العربية | arb-000 | بلغاريا |
| Classical Arabic—ASJP | arb-001 | (B?lģāriyā |
| luenga aragonesa | arg-000 | Bulgaria |
| asturianu | ast-000 | Bulgaria |
| বাংলা | ben-000 | বুলগেরিয়া |
| Bangla | ben-001 | Bulageriỵā |
| bosanski | bos-000 | Bugarska |
| български | bul-000 | България |
| bălgarski ezik | bul-001 | Bălgarija |
| català | cat-000 | Bulgària |
| čeština | ces-000 | Bulharsko |
| Hànyǔ | cmn-003 | Bǎojiālìyà |
| Cymraeg | cym-000 | Bwlgaria |
| dansk | dan-000 | Bulgarien |
| Deutsch | deu-000 | Bulgarien |
| dolnoserbska reč | dsb-000 | Bulgarska |
| eesti | ekk-000 | Bulgaaria |
| ελληνικά | ell-000 | Βουλγαρία |
| Ellinika | ell-003 | Voulgaría |
| English | eng-000 | Bulgaria |
| Esperanto | epo-000 | Bulgario |
| suomi | fin-000 | Bulgaria |
| français | fra-000 | Bulgarie |
| Frysk | fry-000 | Bulgarije |
| Gàidhlig | gla-000 | Bulgàiria |
| galego | glg-000 | Bulgaria |
| עברית | heb-000 | בולגריה |
| ISO 259-3 | heb-001 | Bulgaria |
| हिन्दी | hin-000 | बुल्गारिया |
| hrvatski | hrv-000 | Bugarska |
| hornjoserbšćina | hsb-000 | Bołharska |
| magyar | hun-000 | Bulgária |
| hyw-001 | Bulgharia | |
| Ido | ido-000 | Bulgaria |
| interlingua | ina-000 | Bulgaria |
| bahasa Indonesia | ind-000 | Bulgaria |
| íslenska | isl-000 | Búlgaría |
| italiano | ita-000 | Bulgaria |
| 日本語 | jpn-000 | ブルガリア |
| Nihongo | jpn-001 | Burugaria |
| ქართული | kat-000 | ბულგარეთი |
| Kartuli | kat-001 | bulgareti |
| 한국어 | kor-000 | 불가리아 |
| latine | lat-000 | Bulgaria |
| Latina Nova | lat-003 | Bulgaria |
| lietuvių | lit-000 | Bulgarija |
| Lëtzebuergesch | ltz-000 | Bulgarien |
| latviešu | lvs-000 | Bulgārija |
| македонски | mkd-000 | Бугарија |
| Makedonski jazik | mkd-001 | Bugarija |
| Malti | mlt-000 | Bulgarija |
| Bân-lâm-gú | nan-005 | Bulgariya |
| dorerin Naoero | nau-000 | Bulgaria |
| Plattdüütsch-Neddersassisch | nds-002 | Bulgarien |
| Nederlands | nld-000 | Bulgarije |
| bokmål | nob-000 | Bulgaria |
| occitan | oci-000 | Bulgaria |
| فارسی | pes-000 | بلغارستان |
| Isfahani | pes-001 | Bolghārestān |
| polski | pol-000 | Bułgaria |
| português | por-000 | Bulgária |
| lingua rumantscha | roh-000 | Bulgaria |
| română | ron-000 | Bulgaria |
| limba armãneascã | rup-000 | Vurgarii |
| русский | rus-000 | Болгария |
| russkij | rus-001 | Bolgárija |
| संस्कृतम् | san-000 | बुल्गारिया |
| saṃskṛtam | san-001 | Bulgāriyā |
| lingua siciliana | scn-000 | Bulgaria |
| lingua siciliana | scn-000 | Bulgarìa |
| slovenčina | slk-000 | Bulharsko |
| slovenščina | slv-000 | Bolgarija |
| español | spa-000 | Bulgaria |
| shqip | sqi-000 | Bullgaria |
| српски | srp-000 | Бугарска |
| srpski | srp-001 | Bugarska |
| svenska | swe-000 | Bulgarien |
| Tagalog | tgl-000 | Bulgarya |
| ภาษาไทย | tha-000 | ประเทศบัลแกเรีย |
| Türkçe | tur-000 | Bulgaristan |
| українська | ukr-000 | Болгарія |
| Latynytsia | ukr-001 | Bolharija |
| lingaedje walon | wln-000 | Bulgåreye |
| ייִדיש | ydd-000 | בולגאַריע |
| yidish | ydd-001 | Bulgaria |
| 廣東話 | yue-000 | 保加利亚 |
| Bahasa Malaysia | zsm-000 | Bulgaria |