ISO - LANGUAGE CODES - ISO/NISO
| CODE | LANGUAGE NAME | CODE |
| AB | Abkhazian | ABK |
| Achinese | ACE | |
| Acoli | ACH | |
| Adangme | ADA | |
| Adyghe; Adygei | ADY | |
| AA | Afar | AAR |
| Afrihili | AFH | |
| AF | Afrikaans | AFR |
| Afro-Asiatic (Other) | AFA | |
| Ainu | AIN | |
| AK | Akan | AKA |
| Akkadian | AKK | |
| SQ | Albanian; Shqip | ALB |
| Aleut | ALE | |
| Algonquian | ALG | |
| Altaic (Other) | TUT | |
| AM | Amharic | AMH |
| Angika | ANP | |
| Apache | APA | |
| AR | Arabic | ARA |
| AN | Aragonese | ARG |
| Aramaic | ARC | |
| Arapaho | ARP | |
| Arawak | ARW | |
| HY | Armenian; Hayeren | ARM |
| Aromanian; Arumanian; Macedo-Romanian | RUP | |
| Artificial | ART | |
| AS | Assamese | ASM |
| Asturian; Bable; Leonese; Asturleonese | AST | |
| Athapascan | ATH | |
| Australian languages | AUS | |
| Austronesian (Other) | MAP | |
| AV | Avaric | AVA |
| AE | Avestan | AVE |
| Awadhi | AWA | |
| AY | Aymara | AYM |
| AZ | Azerbaijani | AZE |
| Balinese | BAN | |
| Baltic (Other) | BAT | |
| Baluchi | BAL | |
| BM | Bambara | BAM |
| Bamileke languages | BAI | |
| Banda | BAD | |
| Bantu (Other) | BNT | |
| Basa | BAS | |
| BA | Bashkir | BAK |
| EU | Basque; Euskera | BAQ |
| Batak | BTK | |
| Beja | BEJ | |
| BE | Belarusian | BEL |
| Bemba | BEM | |
| BN | Bengali; Bangla | BEN |
| Berber (Other) | BER | |
| Bhojpuri | BHO | |
| BH | Bihari | BIH |
| Bikol | BIK | |
| Bini | BIN | |
| BI | Bislama | BIS |
| Blin; Bilin | BYN | |
| Blissymbols; Blissymbolics; Bliss | ZBL | |
| NB | Bokmal | NOB |
| BS | Bosnian | BOS |
| Braj | BRA | |
| BR | Breton | BRE |
| Buginese | BUG | |
| BG | Bulgarian | BUL |
| Buriat | BUA | |
| MY | Burmese | BUR |
| Caddo | CAD | |
| CA | Catalan | CAT |
| Caucasian (Other) | CAU | |
| Cebuano | CEB | |
| Celtic (Other) | CEL | |
| Central American Indian (Other) | CAI | |
| KM | Central Khmer | KHM |
| Chagatai | CHG | |
| Chamic languages | CMC | |
| CH | Chamorro | CHA |
| CE | Chechen | CHE |
| Cherokee | CHR | |
| Cheyenne | CHY | |
| Chibcha | CHB | |
| NY | Chichewa; Chewa; Nyanja | NYA |
| ZH | Chinese; Zhongwen | CHI |
| Chinook jargon | CHN | |
| Chipewyan | CHP | |
| Choctaw | CHO | |
| CU | Church Slavic | CHU |
| Chuukese | CHK | |
| CV | Chuvash | CHV |
| Classical Newari | NWC | |
| Classical Syriac | SYC | |
| Coptic | COP | |
| KW | Cornish | COR |
| CO | Corsican | COS |
| CR | Cree | CRE |
| Creek | MUS | |
| Creoles and Pidgins (Other) | CRP | |
| Creoles and Pidgins, Eng-based | CPE | |
| Creoles and Pidgins, Fr-based | CPF | |
| Creoles and Pidgins, Port-based | CPP | |
| Crimean Tatar; Crimean Turkish | CRH | |
| HR | Croatian; Hrvatski | HRV |
| Cushitic (Other) | CUS | |
| CS | Czech | CZE |
| Dakota | DAK | |
| DA | Danish | DAN |
| Dargwa | DAR | |
| Delaware | DEL | |
| Dinka | DIN | |
| DV | Divehi | DIV |
| Dogri | DOI | |
| Dogrib | DGR | |
| Dravidian (Other) | DRA | |
| Duala | DUA | |
| Dutch, Middle | DUM | |
| NL | Dutch; Flemish | DUT |
| Dyula | DYU | |
| DZ | Dzongkha | DZO |
| Eastern Frisian | FRS | |
| Efik | EFI | |
| Egyptian | EGY | |
| Ekajuk | EKA | |
| Elamite | ELX | |
| EN | English | ENG |
| English, Middle | ENM | |
| English, Old | ANG | |
| Erzya | MYV | |
| EO | Esperanto | EPO |
| ET | Estonian | EST |
| EE | Ewe | EWE |
| Ewondo | EWO | |
| Fang | FAN | |
| Fanti | FAT | |
| FO | Faroese | FAO |
| FJ | Fijian | FIJ |
| Filipino; Pilipino | FIL | |
| FI | Finnish; Suomi | FIN |
| Finno-Ugrian | FIU | |
| Fon | FON | |
| FR | French | FRE |
| French, Middle | FRM | |
| French, Old | FRO | |
| Friulian | FUR | |
| FF | Fulah | FUL |
| Ga | GAA | |
| GD | Gaelic; Scottish Gaelic | GLA |
| Galibi Carib | CAR | |
| GL | Galician | GLG |
| LG | Ganda | LUG |
| Gayo | GAY | |
| Gbaya | GBA | |
| Geez | GEZ | |
| KA | Georgian; Kartuli | GEO |
| DE | German | GER |
| German, Middle High | GMH | |
| German, Old High | GOH | |
| Germanic (Other) | GEM | |
| Gilbertese | GIL | |
| Gondi | GON | |
| Gorontalo | GOR | |
| Gothic | GOT | |
| Grebo | GRB | |
| Greek,Ancient | GRC | |
| EL | Greek, Modern | GRE |
| GN | Guarani | GRN |
| GU | Gujarati | GUJ |
| Gwich'in | GWI | |
| Haida | HAI | |
| HT | Haitian; Haitian Creole | HAT |
| HA | Hausa | HAU |
| Hawaiian | HAW | |
| HE | Hebrew; Iwrith | HEB |
| HZ | Herero | HER |
| Hiligaynon | HIL | |
| Himachali | HIM | |
| HI | Hindi | HIN |
| HO | Hiri Motu | HMO |
| Hittite | HIT | |
| Hmong | HMN | |
| HU | Hungarian; Magyar | HUN |
| Hupa | HUP | |
| Iban | IBA | |
| IS | Icelandic; Islenzk | ICE |
| IO | Ido | IDO |
| IG | Igbo | IBO |
| Ijo | IJO | |
| Illoko | ILO | |
| Inari Sami | SMN | |
| Indic (Other) | INC | |
| Indo-Europeon (Other) | INE | |
| ID | Indonesian; Bahasa Indonesia | IND |
| Ingush | INH | |
| IA | Interlingua | INA |
| IE | Interlingue | ILE |
| IU | Inuktitut | IKU |
| IK | Inupiaq | IPK |
| Iranian (Other) | IRA | |
| GA | Irish; Gaeilge | GLE |
| Irish, Middle | MGA | |
| Irish, Old | SGA | |
| Iroquoian | IRO | |
| IT | Italian | ITA |
| JA | Japanese; Nihongo | JPN |
| JV | Javanese; Bahasa Jawa | JAV |
| Judeo-Arabic | JRB | |
| Judeo-Persian | JPR | |
| Kabardian | KBD | |
| Kabyle | KAB | |
| Kachin | KAC | |
| KL | Kalaallisut;Greenlandic | KAL |
| Kalmyk; Oirat | XAL | |
| Kamba | KAM | |
| KN | Kannada | KAN |
| KR | Kanuri | KAU |
| Karachay-Balkar | KRC | |
| Kara-Kalpak | KAA | |
| Karelian | KRL | |
| Karen | KAR | |
| KS | Kashmiri | KAS |
| Kashubian | CSB | |
| Kawi | KAW | |
| KK | Kazakh | KAZ |
| Khasi | KHA | |
| Khoisan (Other) | KHI | |
| Khotanese | KHO | |
| KI | Kikuyu | KIK |
| Kimbundu | KMB | |
| RW | Kinyarwanda | KIN |
| KY | Kirghiz; Kyrgyz | KIR |
| Klingon | TLH | |
| KV | Komi | KOM |
| Kongo | KON | |
| Konkani | KOK | |
| KO | Korean; Choson-o | KOR |
| Kosraean | KOS | |
| Kpelle | KPE | |
| Kru (Other) | KRO | |
| KJ | Kuanyama | KUA |
| Kumyk | KUM | |
| KU | Kurdish; Zimany Kurdy | KUR |
| Kurukh | KRU | |
| Kutenai | KUT | |
| Ladino | LAD | |
| Lahnda | LAH | |
| Lamba | LAM | |
| Land Dayak | DAY | |
| LO | Laothian; Pha Xa Lao | LAO |
| LA | Latin | LAT |
| LV | Latvian, Lettish | LAV |
| Lezghian | LEZ | |
| LI | Limburgan | LIM |
| LN | Lingala | LIN |
| LT | Lithuanian | LIT |
| Lojban | JBO | |
| Low German | NDS | |
| Lower Sorbian | DSB | |
| Lozi | LOZ | |
| LU | Luba-Katanga | LUB |
| Luba-Lulua | LUA | |
| Luiseno | LUI | |
| Lule Sami | SMJ | |
| Lunda | LUN | |
| Luo (Kenya and Tanzania) | LUO | |
| Lushai | LUS | |
| LB | Letzeburgesch; Luxembourgish | LTZ |
| MK | Macedonian | MAC |
| Madurese | MAD | |
| Magahi | MAG | |
| Maithili | MAI | |
| Makasar | MAK | |
| MG | Malagasy | MLG |
| MS | Malay; Bahasa Malaysia | MAY |
| ML | Malayalam | MAL |
| MT | Maltese | MLT |
| Manchu | MNC | |
| Mandar | MDR | |
| Mandingo | MAN | |
| Manipuri | MNI | |
| Manobo Languages | MNO | |
| GV | Manx | GLV |
| MI | Maori | MAO |
| Mapuche | ARN | |
| MR | Marathi | MAR |
| Mari | CHM | |
| MH | Marshallese | MAH |
| Marwari | MWR | |
| Masai | MAS | |
| Mayan Languages | MYN | |
| Mende | MEN | |
| Micmac | MIC | |
| Minangkabau | MIN | |
| Mirandese | MWL | |
| Mohawk | MOH | |
| Moksha | MDF | |
| Mongo-Nkundu | LOL | |
| MN | Mongolian | MON |
| Mon-Khmer | MKH | |
| Mossi | MOS | |
| Multiple Languages | MUL | |
| Munda Languages | MUN | |
| Nahuatl Languages | NAH | |
| NA | Nauru | NAU |
| NV | Navajo | NAV |
| ND | Ndebele (North - Zimbabwe) | NDE |
| NR | Ndebele (South) | NBL |
| NG | Ndonga | NDO |
| Neapolitan | NAP | |
| Newari, Nepal, Bhasa | NEW | |
| NE | Nepali | NEP |
| Nias | NIA | |
| Niger-Kordofanian | NIC | |
| Nilo-Saharan (Other) | SSA | |
| Niuean | NIU | |
| N'Ko | NQO | |
| Nogai | NOG | |
| Norse, Old | NON | |
| North American Indian (Other) | NAI | |
| Northern Frisian | FRR | |
| SE | Northern Sami | SME |
| NO | Norwegian | NOR |
| NN | Norwegian Nynorsk | NNO |
| Nubian languages | NUB | |
| Nyamwezi | NYM | |
| Nyankole | NYN | |
| Nyoro | NYO | |
| Nzima | NZI | |
| OC | Occitan | OCI |
| OJ | Ojibwa | OJI |
| OR | Oriya | ORI |
| OM | Oromo (Afan) | ORM |
| Osage | OSA | |
| OS | Ossetic | OSS |
| Otomian languages | OTO | |
| Pahlavi | PAL | |
| Palauan | PAU | |
| PI | Pali | PLI |
| Pampanga | PAM | |
| Pangasinan | PAG | |
| PA | Punjabi; Panjabi | PAN |
| Papiamento | PAP | |
| Papuan | PAA | |
| Pedi; Sepedi; Northern Sotho | NSO | |
| FA | Persian; Farsi | PER |
| Persian, Old | PEO | |
| Philppine (Other) | PHI | |
| Phoenician (Other) | PHN | |
| Pohnpeian | PON | |
| PL | Polish | POL |
| PT | Portuguese | POR |
| Prakrit languages | PRA | |
| Provencal | PRO | |
| PS | Pushto, Pashto | PUS |
| QU | Quechua | QUE |
| Rajasthani | RAJ | |
| Rapanui | RAP | |
| Rarotongan | RAR | |
| Romance (Other) | ROA | |
| RO | Romanian; Moldavian | RUM |
| RM | Romansh | ROH |
| Romany | ROM | |
| RN | Rundi | RUN |
| RU | Russian | RUS |
| Salishan languages | SAL | |
| Samaritan Aramaic | SAM | |
| Sami Languages | SMI | |
| SM | Samoan | SMO |
| Sandawe | SAD | |
| SG | Sango | SAG |
| SA | Sanskrit | SAN |
| Santali | SAT | |
| SC | Sardinian | SRD |
| Sasak | SAS | |
| Scots | SCO | |
| Selkup | SEL | |
| Semitic (Other) | SEM | |
| SR | Serbian; Srpski | SRP |
| Serer | SRR | |
| Shan | SHN | |
| SN | Shona | SNA |
| II | Sichuan Yi; Nuosu | III |
| Sicilian | SCN | |
| Sidamo | SID | |
| Sign languages | SGN | |
| Siksika | BLA | |
| SD | Sindhi | SND |
| SI | Sinhalese | SIN |
| Sino-Tibetian (Other) | SIT | |
| Siouan (Other) | SIO | |
| Skolt Sami | SMS | |
| Slave (Athapascan) | DEN | |
| Slavic (Other) | SLA | |
| SK | Slovak | SLO |
| SL | Slovenian | SLV |
| Sogdian | SOG | |
| SO | Somali | SOM |
| Songhai | SON | |
| Soninke | SNK | |
| Sorbian languages | WEN | |
| ST | Sotho, Southern | SOT |
| South American Indian (Other) | SAI | |
| Southern Altai | ALT | |
| Southern Sami | SMA | |
| ES | Spanish, Castillian | SPA |
| Sranan Tongo | SRN | |
| Sukuma | SUK | |
| Sumerian | SUX | |
| SU | Sundanese | SUN |
| Susu | SUS | |
| SW | Swahili | SWA |
| SS | Swati | SSW |
| SV | Swedish; Svenska | SWE |
| Swiss German | GSW | |
| Syriac | SYR | |
| TL | Tagalog | TGL |
| TY | Tahitian | TAH |
| Tai (Other) | TAI | |
| TG | Tajik | TGK |
| Tamashek | TMH | |
| TA | Tamil | TAM |
| TT | Tatar | TAT |
| TE | Telugu | TEL |
| Tereno | TER | |
| Tetum | TET | |
| TH | Thai | THA |
| BO | Tibetan; Bodskad | TIB |
| Tigre | TIG | |
| TI | Tigrinya | TIR |
| Timne | TEM | |
| Tiv | TIV | |
| Tlingit | TLI | |
| Tok Pisin | TPI | |
| Tokelau | TKL | |
| Tonga (Nyasa) | TOG | |
| TO | Tonga (Tonga Islands) | TON |
| Tsimshian | TSI | |
| TS | Tsonga | TSO |
| TN | Tswana | TSN |
| Tumbuka | TUM | |
| Tupi languages | TUP | |
| TR | Turkish | TUR |
| Turkish, Ottoman | OTA | |
| TK | Turkmen | TUK |
| Tuvalu | TVL | |
| Tuvinian | TYV | |
| TW | Twi | TWI |
| Udmurt | UDM | |
| Ugaritic | UGA | |
| UG | Uighur | UIG |
| UK | Ukrainian | UKR |
| Umbundu | UMB | |
| Uncoded languages | MIS | |
| Undetermined | UND | |
| Upper Sorbian | HSB | |
| UR | Urdu | URD |
| UZ | Uzbek | UZB |
| Vai | VAI | |
| VE | Venda | VEN |
| VI | Vietnamese | VIE |
| VO | Volapuk | VOL |
| Voltic | VOT | |
| Wakashan languages | WAK | |
| Wolaitta; Wolaytta | WAL | |
| WA | Walloon | WLN |
| Waray | WAR | |
| Washo | WAS | |
| CY | Welsh | WEL |
| FY | Western Frisian | FRY |
| WO | Wolof | WOL |
| XH | Xhosa | XHO |
| Yakut | SAH | |
| Yao | YAO | |
| Yapese | YAP | |
| YI | Yiddish; Jiddisch | YID |
| YO | Yoruba | YOR |
| Yupik languages | YPK | |
| Zande | ZND | |
| Zapotec | ZAP | |
| Zaza | ZZA | |
| Zenaga | ZEN | |
| ZA | Zhuang | ZHA |
| ZU | Zulu | ZUL |
| Zuni | ZUN |