| Language Name | 2-Letter Code (ISO 639-1) | 3-Letter Code (ISO 639-2/T) |
|---|---|---|
| Abkhaz | AB | ABK |
| Afar | AA | AAR |
| Afrikaans | AF | AFR |
| Akan | AK | AKA |
| Albanian | SQ | SQI |
| Amharic | AM | AMH |
| Arabic | AR | ARA |
| Aragonese | AN | ARG |
| Armenian | HY | HYE |
| Assamese | AS | ASM |
| Avaric | AV | AVA |
| Avestan | AE | AVE |
| Aymara | AY | AYM |
| Azerbaijani | AZ | AZE |
| Bambara | BM | BAM |
| Bashkir | BA | BAK |
| Basque | EU | EUS |
| Belarusian | BE | BEL |
| Bengali, Bangla | BN | BEN |
| Bihari | BH | BIH |
| Bislama | BI | BIS |
| Bosnian | BS | BOS |
| Breton | BR | BRE |
| Bulgarian | BG | BUL |
| Burmese | MY | MYA |
| Catalan | CA | CAT |
| Chamorro | CH | CHA |
| Chechen | CE | CHE |
| Chichewa, Chewa, Nyanja | NY | NYA |
| Chinese | ZH | ZHO |
| Chuvash | CV | CHV |
| Cornish | KW | COR |
| Corsican | CO | COS |
| Cree | CR | CRE |
| Croatian | HR | HRV |
| Czech | CS | CES |
| Danish | DA | DAN |
| Divehi, Dhivehi, Maldivian | DV | DIV |
| Dutch | NL | NLD |
| Dzongkha | DZ | DZO |
| English | EN | ENG |
| Esperanto | EO | EPO |
| Estonian | ET | EST |
| Ewe | EE | EWE |
| Faroese | FO | FAO |
| Fijian | FJ | FIJ |
| Finnish | FI | FIN |
| French | FR | FRA |
| Fula, Fulah, Pulaar, Pular | FF | FUL |
| Galician | GL | GLG |
| Georgian | KA | KAT |
| German | DE | DEU |
| Greek (modern) | EL | ELL |
| Guaraní | GN | GRN |
| Gujarati | GU | GUJ |
| Haitian, Haitian Creole | HT | HAT |
| Hausa | HA | HAU |
| Hebrew (modern) | HE | HEB |
| Herero | HZ | HER |
| Hindi | HI | HIN |
| Hiri Motu | HO | HMO |
| Hungarian | HU | HUN |
| Interlingua | IA | INA |
| Indonesian | ID | IND |
| Interlingue | IE | ILE |
| Irish | GA | GLE |
| Igbo | IG | IBO |
| Inupiaq | IK | IPK |
| Ido | IO | IDO |
| Icelandic | IS | ISL |
| Italian | IT | ITA |
| Inuktitut | IU | IKU |
| Japanese | JA | JPN |
| Javanese | JV | JAV |
| Kalaallisut, Greenlandic | KL | KAL |
| Kannada | KN | KAN |
| Kanuri | KR | KAU |
| Kashmiri | KS | KAS |
| Kazakh | KK | KAZ |
| Khmer | KM | KHM |
| Kikuyu, Gikuyu | KI | KIK |
| Kinyarwanda | RW | KIN |
| Kyrgyz | KY | KIR |
| Komi | KV | KOM |
| Kongo | KG | KON |
| Korean | KO | KOR |
| Kurdish | KU | KUR |
| Kwanyama, Kuanyama | KJ | KUA |
| Latin | LA | LAT |
| Luxembourgish, Letzeburgesch | LB | LTZ |
| Ganda | LG | LUG |
| Limburgish, Limburgan, Limburger | LI | LIM |
| Lingala | LN | LIN |
| Lao | LO | LAO |
| Lithuanian | LT | LIT |
| Luba-Katanga | LU | LUB |
| Latvian | LV | LAV |
| Manx | GV | GLV |
| Macedonian | MK | MKD |
| Malagasy | MG | MLG |
| Malay | MS | MSA |
| Malayalam | ML | MAL |
| Maltese | MT | MLT |
| Māori | MI | MRI |
| Marathi (Marāṭhī) | MR | MAR |
| Marshallese | MH | MAH |
| Mongolian | MN | MON |
| Nauru | NA | NAU |
| Navajo, Navaho | NV | NAV |
| Northern Ndebele | ND | NDE |
| Nepali | NE | NEP |
| Ndonga | NG | NDO |
| Norwegian Bokmål | NB | NOB |
| Norwegian Nynorsk | NN | NNO |
| Norwegian | NO | NOR |
| Nuosu | II | III |
| Southern Ndebele | NR | NBL |
| Occitan | OC | OCI |
| Ojibwe, Ojibwa | OJ | OJI |
| Oromo | OM | ORM |
| Oriya | OR | ORI |
| Ossetian, Ossetic | OS | OSS |
| Panjabi, Punjabi | PA | PAN |
| Pāli | PI | PLI |
| Persian (Farsi) | FA | FAS |
| Polish | PL | POL |
| Pashto, Pushto | PS | PUS |
| Portuguese | PT | POR |
| Quechua | QU | QUE |
| Romansh | RM | ROH |
| Kirundi | RN | RUN |
| Romanian | RO | RON |
| Russian | RU | RUS |
| Sanskrit (Saṁskṛta) | SA | SAN |
| Sardinian | SC | SRD |
| Sindhi | SD | SND |
| Northern Sami | SE | SME |
| Samoan | SM | SMO |
| Sango | SG | SAG |
| Serbian | SR | SRP |
| Scottish Gaelic, Gaelic | GD | GLA |
| Shona | SN | SNA |
| Sinhala, Sinhalese | SI | SIN |
| Slovak | SK | SLK |
| Slovene | SL | SLV |
| Somali | SO | SOM |
| Southern Sotho | ST | SOT |
| Spanish | ES | SPA |
| Sundanese | SU | SUN |
| Swahili | SW | SWA |
| Swati | SS | SSW |
| Swedish | SV | SWE |
| Tamil | TA | TAM |
| Telugu | TE | TEL |
| Tajik | TG | TGK |
| Thai | TH | THA |
| Tigrinya | TI | TIR |
| Tibetan Standard, Tibetan, Central | BO | BOD |
| Turkmen | TK | TUK |
| Tagalog | TL | TGL |
| Tswana | TN | TSN |
| Tonga (Tonga Islands) | TO | TON |
| Turkish | TR | TUR |
| Tsonga | TS | TSO |
| Tatar | TT | TAT |
| Twi | TW | TWI |
| Tahitian | TY | TAH |
| Uyghur | UG | UIG |
| Ukrainian | UK | UKR |
| Urdu | UR | URD |
| Uzbek | UZ | UZB |
| Venda | VE | VEN |
| Vietnamese | VI | VIE |
| Volapük | VO | VOL |
| Walloon | WA | WLN |
| Welsh | CY | CYM |
| Wolof | WO | WOL |
| Western Frisian | FY | FRY |
| Xhosa | XH | XHO |
| Yiddish | YI | YID |
| Yoruba | YO | YOR |
| Zhuang, Chuang | ZA | ZHA |
| Zulu | ZU | ZUL |