Lists of languages

Published lists

• SIL International's Ethnologue: Languages of the World lists over spoken and signed languages.
• The International Organization for Standardization assigns codes for most languages; see ISO 639
• * List of ISO 639-1 codes – two-letter codes
• * List of [ISO 639-2 codes] – three-letter codes
• * ISO 639 macrolanguage – ISO 639-2 codes used as ISO 639-3 codes
• * List of ISO 639-3 codes – three-letter codes, intended to "cover all known natural languages"
• * List of ISO 639-5 codes – three-letter codes for language families and groups
• IETF language tag – depends on ISO 639, but provides various expansion mechanisms
• Glottolog
• Linguasphere Observatory

English Wikipedia list articles

• Index of language articles

Comprehensive lists

• by country:
• *List of official languages by country and territory
• *Number of languages by country
• by name: List of language names
• by phylogenetic relation: List of language families
• * by primary language family: List of Afro-Asiatic languages, List of Austronesian languages, List of Indo-European languages, List of Mayan languages, List of Mongolic languages, List of Oto-Manguean languages, List of Tungusic languages, List of Turkic languages, List of Uralic languages.
• chronologically: List of languages by first written accounts
• by number of speakers:
• * List of languages by total number of speakers
• * List of languages by number of native speakers
• List of languages by number of words according to authoritative dictionaries
• List of languages by number of phonemes

By region

• Languages of Africa
• Indigenous languages of the Americas
• *List of Native American languages acquired by children
• * Languages of North America
• * Languages of South America
• Languages of Asia
• * East Asian languages
• * Languages of South Asia
• * Languages of Southeast Asia
• Languages of Europe
• * Languages of Russia
• Languages of Oceania

By special type or property

• Lists of extinct languages
• * List of languages by time of extinction
• Lists of endangered languages
• List of revived languages
• Regional language

By status or cultural sphere of influence

• List of lingua francas
• List of official languages
• * List of official languages by country and territory
• * List of official languages by institution
• Languages used on the Internet
• List of mutually intelligible languages

Special types of languages

• List of creole languages
• List of mixed languages
• List of pidgins, creoles, mixed languages and cants based on Indo-European languages
• * List of English-based pidgins
• List of sign languages
• * List of sign languages by number of native signers
• List of constructed languages