| Kalenjin | kln-000 |
| Emetab Belize | |
| Afrikaans | afr-000 | Belize |
| Aghem | agq-000 | Bɛ̀lezɨ̀ |
| Akan | aka-000 | Beliz |
| toskërishte | als-000 | Belizë |
| አማርኛ | amh-000 | ቤሊዘ |
| العربية | arb-000 | بليز |
| ISO 3166 alpha | art-006 | BZ |
| UN M.49 | art-279 | 084 |
| Kipare | asa-000 | Belidhe |
| asturianu | ast-000 | Belize |
| azərbaycanca | azj-000 | Beliz |
| Азәрбајҹан дили | azj-001 | Белиз |
| bamanankan | bam-000 | Belizi |
| ɓàsàa | bas-000 | Bèlîs |
| беларуская | bel-000 | Беліз |
| বাংলা | ben-000 | বেলিজ |
| Ekibena | bez-000 | Hubelize |
| བོད་སྐད་ | bod-000 | བེ་ལིཛ། |
| bosanski | bos-000 | Belize |
| босански | bos-001 | Белизе |
| brezhoneg | bre-000 | Belize |
| बरʼ | brx-000 | बेलिज़ |
| български | bul-000 | Белиз |
| ብሊና | byn-000 | ቤሊዘ |
| català | cat-000 | Belize |
| čeština | ces-000 | Belize |
| Rukiga | cgg-000 | Berize |
| нохчийн мотт | che-000 | Белиз |
| ᏣᎳᎩ ᎧᏬᏂᎯᏍᏗ | chr-000 | ᏇᎵᏍ |
| سۆرانی | ckb-000 | بەلیز |
| 普通话 | cmn-000 | 伯利兹 |
| 國語 | cmn-001 | 貝里斯 |
| 香港官話 | cmn-021 | 伯利茲 |
| Cymraeg | cym-000 | Belize |
| dansk | dan-000 | Belize |
| Kitaita | dav-000 | Belize |
| Deutsch | deu-000 | Belize |
| zarmaciine | dje-000 | Beliizi |
| dolnoserbska reč | dsb-000 | Belize |
| Jóola-Fóoñi | dyo-000 | Beliis |
| རྫོང་ཁ་ | dzo-000 | བྷེ་ལིཛ |
| Kĩembu | ebu-000 | Belize |
| eesti | ekk-000 | Belize |
| ελληνικά | ell-000 | Μπελίζ |
| English | eng-000 | Belize |
| 𐐀𐑍𐑊𐐮𐑇 | eng-006 | 𐐒𐐲𐑊𐐨𐑆 |
| Esperanto | epo-000 | Belizo |
| euskara | eus-000 | Belize |
| Ɛʋɛgbɛ | ewe-000 | Belize nutome |
| ewondo | ewo-000 | Bəlís |
| føroyskt | fao-000 | Belis |
| Wikang Filipino | fil-000 | Belize |
| suomi | fin-000 | Belize |
| français | fra-000 | Belize |
| Frysk | fry-000 | Belize |
| Pulaar | fuc-000 | Beliise |
| Fulfulde | ful-000 | Beliise |
| lenghe furlane | fur-000 | Belize |
| ግዕዝ | gez-000 | ቤሊዘ |
| Gàidhlig | gla-000 | A’ Bheilìs |
| Gaeilge | gle-000 | An Bheilís |
| galego | glg-000 | Belice |
| Schwizerdütsch | gsw-000 | Belize |
| ગુજરાતી | guj-000 | બેલીઝ |
| Ekegusii | guz-000 | Belize |
| Hausa | hau-000 | Beliz |
| עברית | heb-000 | בליז |
| हिन्दी | hin-000 | बेलीज़ |
| hrvatski | hrv-000 | Belize |
| hornjoserbšćina | hsb-000 | Belize |
| magyar | hun-000 | Belize |
| արևելահայերեն | hye-000 | Բելիզ |
| bahasa Indonesia | ind-000 | Belize |
| íslenska | isl-000 | Belís |
| italiano | ita-000 | Belize |
| Kimachame | jmc-000 | Belize |
| 日本語 | jpn-000 | ベリーズ |
| Taqbaylit | kab-000 | Biliz |
| kalaallisut | kal-000 | Belize |
| Kĩkamba | kam-000 | Belize |
| ಕನ್ನಡ | kan-000 | ಬೆಲಿಜ್ |
| كأشر | kas-000 | بیلِج |
| ქართული | kat-000 | ბელიზი |
| қазақ | kaz-000 | Белиз |
| Chimakonde | kde-000 | Belize |
| kriolu kabuverdianu | kea-000 | Belizi |
| монгол | khk-000 | Белиз |
| ភាសាខ្មែរ | khm-000 | បេលីហ្ស |
| Koyra Chiini | khq-000 | Beliizi |
| Gĩkũyũ | kik-000 | Belize |
| кыргыз | kir-000 | Белиз |
| 한국어 | kor-000 | 벨리즈 |
| Kishambaa | ksb-000 | Belize |
| rikpa | ksf-000 | bɛliz |
| Kölsch | ksh-000 | Belize |
| Kɨlaangi | lag-000 | Belíise |
| ລາວ | lao-000 | ເບລີຊ |
| lingála | lin-000 | Belizɛ |
| lietuvių | lit-000 | Belizas |
| Lëtzebuergesch | ltz-000 | Belize |
| Tshiluba | lub-000 | Belize |
| Oluganda | lug-000 | Belize |
| Dholuo | luo-000 | Belize |
| Oluluyia | luy-000 | Belize |
| latviešu | lvs-000 | Beliza |
| മലയാളം | mal-000 | ബെലീസ് |
| मराठी | mar-000 | बलिझ |
| ɔl Maa | mas-000 | Belize |
| Kĩmĩrũ | mer-000 | Belize |
| morisyin | mfe-000 | Beliz |
| македонски | mkd-000 | Белизе |
| Malti | mlt-000 | Beliże |
| Malti | mlt-000 | il-Belize |
| mundaŋ | mua-000 | beliziya |
| မြန်မာဘာသာ | mya-000 | ဘလိဇ် |
| မြန်မာဘာသာ | mya-000 | ဘေလီဇ် |
| مازرونی | mzn-000 | بلیز |
| Nàmá | naq-000 | Belize |
| isiNdebele | nde-000 | Bhelize |
| Plattdüütsch | nds-000 | Belize |
| Nederlands | nld-000 | Belize |
| Kwasio | nmg-000 | Bɛliz |
| nynorsk | nno-000 | Belize |
| bokmål | nob-000 | Belize |
| नेपाली | npi-000 | बेलिज |
| Naadh | nus-000 | Bilidha |
| Runyankore | nyn-000 | Berize |
| occitan | oci-000 | Belize |
| ଓଡ଼ିଆ | ory-000 | ବେଲିଜ୍ |
| ਪੰਜਾਬੀ | pan-000 | ਬੇਲੀਜ਼ |
| فارسی | pes-000 | بلیز |
| fiteny Malagasy | plt-000 | Belize |
| polski | pol-000 | Belize |
| português | por-000 | Belize |
| Prūsiskan | prg-000 | Belīzi |
| Kihorombo | rof-000 | Belize |
| lingua rumantscha | roh-000 | Belize |
| română | ron-000 | Belize |
| Kirundi | run-000 | Belize |
| русский | rus-000 | Белиз |
| Kiruwa | rwk-000 | Belize |
| Sängö | sag-000 | Belîzi |
| Samburu | saq-000 | Belize |
| Ishisangu | sbp-000 | Belise |
| cisena | seh-000 | Belize |
| Koyraboro senni | ses-000 | Beliizi |
| Tacelḥit | shi-001 | biliz |
| ⵜⴰⵛⵍⵃⵉⵜ | shi-003 | ⴱⵉⵍⵉⵣ |
| සිංහල | sin-000 | බෙලීස් |
| slovenčina | slk-000 | Belize |
| slovenščina | slv-000 | Belize |
| davvisámegiella | sme-000 | Belize |
| anarâškielâ | smn-000 | Belize |
| chiShona | sna-000 | Belize |
| Soomaaliga | som-000 | Belize |
| español | spa-000 | Belice |
| српски | srp-000 | Белизе |
| srpski | srp-001 | Belize |
| svenska | swe-000 | Belize |
| Kiswahili | swh-000 | Belize |
| தமிழ் | tam-000 | பெலிஸ் |
| tatar tele | tat-000 | Белиз |
| తెలుగు | tel-000 | బెలిజ్ |
| Ateso | teo-000 | Belize |
| тоҷикӣ | tgk-000 | Белиз |
| ภาษาไทย | tha-000 | เบลีซ |
| ቲግሬ | tig-000 | ቤሊዘ |
| ትግርኛ | tir-000 | ቤሊዘ |
| lea fakatonga | ton-000 | Pelise |
| Türkçe | tur-000 | Belize |
| Tásàwàq | twq-000 | Beliizi |
| Tamaziɣt | tzm-001 | Biliz |
| ئۇيغۇرچە | uig-000 | بېلىز |
| українська | ukr-000 | Беліз |
| اردو | urd-000 | بیلائز |
| oʻzbek | uzn-000 | Beliz |
| Ўзбекча | uzn-001 | Белиз |
| ꕙꔤ | vai-000 | ꔆꔷꔘ |
| Vai | vai-001 | Bheliz |
| tiếng Việt | vie-000 | Belize |
| Kyivunjo | vun-000 | Belize |
| Walser | wae-000 | Belize |
| ወላይታቱ | wal-000 | ቤሊዘ |
| kàllaama wolof | wol-000 | Belis |
| Lusoga | xog-000 | Belize |
| nuasúɛ | yav-000 | Pelíse |
| ייִדיש | ydd-000 | בעליז |
| èdè Yorùbá | yor-000 | Orílẹ́ède Bèlísẹ̀ |
| èdè Yorùbá Orílẹ̀-èdè Olómìnira ilẹ̀ Benin | yor-011 | Orílɛ́ède Bèlísɛ̀ |
| 廣東話 | yue-000 | 貝里斯 |
| ⵜⴰⵎⴰⵣⵉⵖⵜ | zgh-000 | ⴱⵉⵍⵉⵣ |
| Bahasa Malaysia | zsm-000 | Belize |
| isiZulu | zul-000 | i-Belize |