| español | spa-000 |
| volapük | |
| Afrikaans | afr-000 | Volapük |
| አማርኛ | amh-000 | ቮላፑክኛ |
| አማርኛ | amh-000 | ቮላፒውክ |
| العربية | arb-000 | فولابوك |
| العربية | arb-000 | فولابيك |
| العربية | arb-000 | فُولَابُوك |
| العربية | arb-000 | لغة الفولابوك |
| Classical Arabic—ASJP | arb-001 | fulabuk |
| luenga aragonesa | arg-000 | Volapük |
| luenga aragonesa | arg-000 | volapük |
| ISO 639-3 | art-001 | vol |
| ISO 639-2/B | art-003 | vol |
| ISO 639-1 | art-004 | vo |
| ISO 639 | art-005 | vol |
| ISO 639-3 Inverted Names | art-291 | Volapük |
| asturianu | ast-000 | volapük |
| azərbaycanca | azj-000 | Volapük |
| azərbaycanca | azj-000 | volapük |
| azərbaycanca | azj-000 | volapük dili |
| беларуская | bel-000 | валапюк |
| беларуская | bel-000 | валяпюк |
| biełaruskaja łacinka | bel-002 | valjapjuk |
| বাংলা | ben-000 | ভোলাপুক |
| bosanski | bos-000 | volapük |
| босански | bos-001 | волапук |
| brezhoneg | bre-000 | volapukeg |
| brezhoneg | bre-000 | volapük |
| बरʼ | brx-000 | वोलापोक |
| български | bul-000 | Волапюк |
| български | bul-000 | волапюк |
| ብሊና | byn-000 | ቮላፑክኛ |
| català | cat-000 | volapuk |
| català | cat-000 | volapük |
| čeština | ces-000 | volapuk |
| čeština | ces-000 | volapük |
| 普通话 | cmn-000 | 沃拉普克文 |
| 普通话 | cmn-000 | 沃拉普克语 |
| 國語 | cmn-001 | 沃拉普克文 |
| 國語 | cmn-001 | 沃拉普克語 |
| Hànyǔ | cmn-003 | Wòlāpǔkè yǔ |
| Qırımtatar tili | crh-000 | Volapük |
| dansk | dan-000 | volapyk |
| Deutsch | deu-000 | Volapük |
| dolnoserbska reč | dsb-000 | volapük |
| eesti | ekk-000 | Volapük |
| eesti | ekk-000 | volapük |
| eesti | ekk-000 | volapüki |
| ελληνικά | ell-000 | Βόλαπικ |
| ελληνικά | ell-000 | βολαπούκ |
| English | eng-000 | Volapuk |
| English | eng-000 | Volapük |
| Esperanto | epo-000 | Volapuko |
| Esperanto | epo-000 | volapuko |
| euskara | eus-000 | volapuk |
| euskara | eus-000 | volapük |
| føroyskt | fao-000 | volapúk |
| føroyskt | fao-000 | volapúkk |
| suomi | fin-000 | volapük |
| français | fra-000 | volapuk |
| français | fra-000 | volapük |
| Frysk | fry-000 | Folapúk |
| Frysk | fry-000 | Volapük |
| ግዕዝ | gez-000 | ቮላፑክኛ |
| Gàidhlig | gla-000 | Volapük |
| Gaeilge | gle-000 | Volapük |
| galego | glg-000 | volapük |
| Schwizerdütsch | gsw-000 | Volapük |
| ગુજરાતી | guj-000 | વોલાપુક |
| Srpskohrvatski | hbs-001 | Volapik |
| Srpskohrvatski | hbs-001 | volapuk |
| עברית | heb-000 | וולאפיק |
| हिन्दी | hin-000 | वोलापुक |
| hrvatski | hrv-000 | volapik |
| hrvatski | hrv-000 | volapük |
| hornjoserbšćina | hsb-000 | volapük |
| magyar | hun-000 | volapük |
| magyar | hun-000 | volapük nyelv |
| արևելահայերեն | hye-000 | վոլապյուկ |
| Ido | ido-000 | Volapük |
| Ido | ido-000 | volapük |
| Interlingue | ile-000 | Volapük |
| interlingua | ina-000 | Volapük |
| interlingua | ina-000 | volapük |
| bahasa Indonesia | ind-000 | Volapuk |
| bahasa Indonesia | ind-000 | Volapük |
| bahasa Indonesia | ind-000 | bahasa Volapük |
| bahasa Indonesia | ind-000 | bahasa volapük |
| íslenska | isl-000 | volapuk |
| íslenska | isl-000 | volapyk |
| íslenska | isl-000 | vólapuk |
| italiano | ita-000 | Volapük |
| italiano | ita-000 | volapük |
| la lojban. | jbo-000 | volapuk |
| 日本語 | jpn-000 | ボラピュク語 |
| 日本語 | jpn-000 | ヴォラピュク |
| 日本語 | jpn-000 | ヴォラピュク語 |
| Nihongo | jpn-001 | vorapyuku |
| ಕನ್ನಡ | kan-000 | ವೋಲಾಪುಕ್ |
| كأشر | kas-000 | وولَپُک |
| Kurmancî | kmr-000 | volapûkî |
| कोंकणी | kok-000 | ओलापुक |
| 한국어 | kor-000 | 볼라퓌크 |
| 한국어 | kor-000 | 볼라퓌크어 |
| Hangungmal | kor-001 | bolrapuikeu |
| Kölsch | ksh-000 | Volapük |
| ລາວ | lao-000 | ໂວລາພັກ |
| ລາວ | lao-000 | ໂວລາພຸກ |
| latine | lat-000 | Volapük |
| Limburgs | lim-000 | Volapük |
| lietuvių | lit-000 | Volapiukas |
| lietuvių | lit-000 | volapiuk |
| Lëtzebuergesch | ltz-000 | Volapük |
| latviešu | lvs-000 | Volapiks |
| latviešu | lvs-000 | volapiks |
| മലയാളം | mal-000 | വോളാപുക് |
| मराठी | mar-000 | ओलापुक |
| македонски | mkd-000 | Волапик |
| македонски | mkd-000 | волапик |
| teny malagasy | mlg-000 | volapoky |
| Malti | mlt-000 | Volapuk |
| Plattdüütsch-Neddersassisch | nds-002 | Volapük |
| Plattdüütsch-Neddersassisch | nds-002 | Volapüksch |
| Plattdüütsch-Neddersassisch | nds-002 | Volapüük |
| Nederlands | nld-000 | Volapük |
| nynorsk | nno-000 | volapyk |
| bokmål | nob-000 | volapyk |
| bokmål | nob-000 | volapük |
| Novial | nov-000 | Volapük |
| occitan | oci-000 | volapük |
| ଓଡ଼ିଆ | ory-000 | ବୋଲାପୁକ |
| فارسی | pes-000 | ولاپوك |
| فارسی | pes-000 | ولاپوک |
| Isfahani | pes-001 | wolapuk |
| lenga piemontèisa | pms-000 | volapuch |
| lenga piemontèisa | pms-000 | volapük |
| polski | pol-000 | Volapük |
| polski | pol-000 | volapik |
| polski | pol-000 | volapuk |
| polski | pol-000 | volapük |
| polski | pol-000 | wolapik |
| português | por-000 | Volapuque |
| português | por-000 | volapuque |
| lingua rumantscha | roh-000 | volapuk |
| română | ron-000 | Volapük |
| română | ron-000 | volapuk |
| română | ron-000 | volapük |
| русский | rus-000 | Волапюк |
| русский | rus-000 | волапю́к |
| русский | rus-000 | волапюк |
| русский | rus-000 | воляпю́к |
| русский | rus-000 | воляпюк |
| russkij | rus-001 | wolapjuk |
| russkij | rus-001 | woljapjuk |
| lingua siciliana | scn-000 | volapük |
| slovenčina | slk-000 | volapük |
| slovenščina | slv-000 | volapik |
| slovenščina | slv-000 | volapuk |
| español | spa-000 | volapuque |
| shqip | sqi-000 | volapyk |
| српски | srp-000 | Волапик |
| српски | srp-000 | Волапук |
| српски | srp-000 | волапик |
| srpski | srp-001 | Volapuk |
| srpski | srp-001 | volapik |
| svenska | swe-000 | volapyk |
| svenska | swe-000 | volapük |
| தமிழ் | tam-000 | ஒலபுக் |
| தமிழ் | tam-000 | ஒலாபூக் |
| తెలుగు | tel-000 | వోలాపుక్ |
| ภาษาไทย | tha-000 | ภาษาโวลาปุก |
| ภาษาไทย | tha-000 | โวลาปุก |
| ภาษาไทย | tha-000 | โวลาพึค |
| ภาษาไทย | tha-000 | โวลาพุก |
| ቲግሬ | tig-000 | ቮላፑክኛ |
| lea fakatonga | ton-000 | lea fakavolapiki |
| Türkçe | tur-000 | Volapük |
| ئۇيغۇرچە | uig-000 | ۋولاپۇكچە |
| українська | ukr-000 | Волапюк |
| українська | ukr-000 | волапʼюк |
| українська | ukr-000 | волапюк |
| українська | ukr-000 | волап’юк |
| українська | ukr-000 | воляпюк |
| tiếng Việt | vie-000 | Tiếng Volapük |
| tiếng Việt | vie-000 | Volapük |
| Volapük | vol-000 | Volapük |
| Volapük | vol-000 | Volapük perevidöl |
| Volapük | vol-000 | volapük |
| võro kiil | vro-000 | volapüki |
| ייִדיש | ydd-000 | וואלאַפּוק |
| Bahasa Malaysia | zsm-000 | Volapük |