| English | eng-000 |
| Sardinia | |
| Afrikaans | afr-000 | Sardinië |
| العربية | arb-000 | سردينيا |
| العربية | arb-000 | سردينية |
| العربية | arb-000 | سرْدِينْيا |
| العربية | arb-000 | سَرْدِينْيَا |
| Classical Arabic—ASJP | arb-001 | Sardīniya |
| luenga aragonesa | arg-000 | Cerdenya |
| luenga aragonesa | arg-000 | Zerdeña |
| ISO 3166 alpha | art-006 | ITA-SA |
| Romániço | art-013 | sardinia |
| Universal Networking Language | art-253 | sardinia(iof>island>thing) |
| Universal Networking Language | art-253 | sardinia(iof>italian_region>thing) |
| Sambahsa-mundialect | art-288 | Sardigna |
| ISO 3166-2 | art-416 | IT-88 |
| azərbaycanca | azj-000 | Sardiniya |
| bosanski | bos-000 | Sardinija |
| brezhoneg | bre-000 | Sardigna |
| български | bul-000 | Сардиния |
| bălgarski ezik | bul-001 | Sardinija |
| català | cat-000 | Sardenya |
| čeština | ces-000 | Sardinie |
| čeština | ces-000 | Sardínie |
| Çăvaşla | chv-001 | Sardini |
| 普通话 | cmn-000 | 撒丁区 |
| 普通话 | cmn-000 | 撒丁岛 |
| 普通话 | cmn-000 | 萨丁尼亚岛 |
| 普通话 | cmn-000 | 萨丁岛 |
| 國語 | cmn-001 | 撒丁區 |
| 國語 | cmn-001 | 撒丁島 |
| 國語 | cmn-001 | 薩丁尼亞島 |
| 國語 | cmn-001 | 薩丁島 |
| Hànyǔ | cmn-003 | Sà dīng ní yà dao |
| Hànyǔ | cmn-003 | Sàdīng dǎo |
| Kernowek | cor-000 | Sardayn |
| lingua corsa | cos-000 | Sardegna |
| Cymraeg | cym-000 | Sardinia |
| dansk | dan-000 | Sardinien |
| Deutsch | deu-000 | Sardinien |
| Emiliàn | egl-000 | Sardàggna |
| eesti | ekk-000 | Sardiinia |
| ελληνικά | ell-000 | Σαρδηνία |
| Ellinika | ell-003 | Sardinía |
| English | eng-000 | Sardegna |
| English | eng-000 | Sardegne |
| Esperanto | epo-000 | Sardinio |
| Esperanto | epo-000 | Sardio |
| Esperanto | epo-000 | Sardlando |
| Esperanto | epo-000 | Sardujo |
| euskara | eus-000 | Sardinia |
| suomi | fin-000 | Sardinia |
| français | fra-000 | Sardaigne |
| français | fra-000 | Sardegne |
| français | fra-000 | Sardègne |
| lenga arpitana | frp-000 | Sardêgne |
| Frysk | fry-000 | Sardynje |
| lenghe furlane | fur-000 | Sardegne |
| Gaeilge | gle-000 | An tSairdín |
| Gaeilge | gle-000 | an tSairdín |
| galego | glg-000 | Sardeña |
| galego | glg-000 | Sardeña - Sardigna |
| yn Ghaelg | glv-000 | Yn Tardeen |
| yn Ghaelg | glv-000 | Yn tardeen |
| yn Ghaelg | glv-000 | yn Tardeen |
| ἑλληνικὴ γλῶττα | grc-000 | Σαρδώ |
| Schwizerdütsch | gsw-000 | Sardinien |
| ʻōlelo Hawaiʻi | haw-000 | Kakinia |
| ʻōlelo Hawaiʻi | haw-000 | Sadinia |
| Srpskohrvatski | hbs-001 | Sardinija |
| עברית | heb-000 | סרדיניה |
| ISO 259-3 | heb-001 | Sardinia |
| हिन्दी | hin-000 | सारडीनिया |
| hrvatski | hrv-000 | Sardinija |
| magyar | hun-000 | Szardínia |
| արևելահայերեն | hye-000 | Սարդինիա |
| Ido | ido-000 | Sardinia |
| interlingua | ina-000 | Sardenia |
| bahasa Indonesia | ind-000 | Sardegna |
| bahasa Indonesia | ind-000 | Sardinia |
| íslenska | isl-000 | Sardinía |
| italiano | ita-000 | Sardegna |
| basa Jawa | jav-000 | Sardinia |
| 日本語 | jpn-000 | サルディニア島 |
| 日本語 | jpn-000 | サルデーニャ |
| 日本語 | jpn-000 | サルデーニャ島 |
| 日本語 | jpn-000 | サルデーニャ州 |
| Nihongo | jpn-001 | Sarudēnya |
| Taqbaylit | kab-000 | sarʼdinya |
| ქართული | kat-000 | სარდინია |
| Kartuli | kat-001 | sardinia |
| Kurmancî | kmr-000 | Sardînya |
| Kurmancî | kmr-000 | Sardûnya |
| 한국어 | kor-000 | 사르데냐 |
| Hangungmal | kor-001 | Sareudenya |
| Ladino | lad-001 | Sardenya |
| latine | lat-000 | Sardinia |
| Lingua Franca Nova | lfn-000 | Sardinia |
| lengua lígure | lij-000 | Sardegna |
| lengua lígure | lij-000 | Sardégna |
| lietuvių | lit-000 | Sardinija |
| Lëtzebuergesch | ltz-000 | Sardinien |
| latviešu | lvs-000 | Sardīnija |
| मराठी | mar-000 | सार्डिनिया |
| македонски | mkd-000 | Сардинија |
| Makedonski jazik | mkd-001 | Sardinija |
| Malti | mlt-000 | Sardenja |
| reo Māori | mri-000 | Häringia |
| napulitano | nap-000 | Zardegna |
| Nederlands | nld-000 | Sardinia |
| Nederlands | nld-000 | Sardinië |
| bokmål | nob-000 | Sardinia |
| occitan | oci-000 | Sardenha |
| لسان عثمانی | ota-000 | سردنیا |
| Amanung Sisuan | pam-000 | Sardinia |
| فارسی | pes-000 | ساردنی |
| Isfahani | pes-001 | Sārdeni |
| lenga piemontèisa | pms-000 | Sardëgna |
| polski | pol-000 | Sardynia |
| português | por-000 | Sardenha |
| română | ron-000 | Sardinia |
| русский | rus-000 | Сарди́ния |
| русский | rus-000 | Сардиния |
| russkij | rus-001 | Sardinia |
| lingua siciliana | scn-000 | Sardegna |
| lingua siciliana | scn-000 | Sardigna |
| slovenčina | slk-000 | Sardínia |
| slovenščina | slv-000 | Sardinija |
| slovenščina | slv-000 | Sardínija |
| Soomaaliga | som-000 | Sardiiniya |
| español | spa-000 | Cerdeña |
| shqip | sqi-000 | Sardenja |
| Sardu logudoresu | src-000 | Sardigna |
| Sardu logudoresu | src-000 | Sardinia |
| sardu | srd-000 | Sardigna |
| sardu | srd-000 | Sardinnia |
| српски | srp-000 | Сардинија |
| srpski | srp-001 | Sardinija |
| svenska | swe-000 | Sardinien |
| Kiswahili | swh-000 | Sardinia |
| Ślůnsko godka | szl-000 | Sardyńijo |
| ภาษาไทย | tha-000 | เกาะซาร์ดิเนีย |
| ภาษาไทย | tha-000 | แคว้นซาร์ดิเนีย |
| Türkçe | tur-000 | Sardinya |
| Türkçe | tur-000 | Sardinya adası |
| Türkçe | tur-000 | Sardunya |
| Türkçe | tur-000 | Sardunya Adası |
| Talossan | tzl-000 | Sardaignh |
| українська | ukr-000 | Сардинія |
| Latynytsia | ukr-001 | Sardynia |
| اردو | urd-000 | ساردینیا |
| Urdu | urd-002 | Sārdīnīā |
| łéngua vèneta | vec-000 | Sardegna |
| Volapük | vol-000 | Sardinia |
| Bahasa Malaysia | zsm-000 | Sardegna |
| Bahasa Malaysia | zsm-000 | Sardinia |