Language codes (3 letters) Abbreviations and Acronyms
- CGLClassical Greek and Latin
- CHAChamorro Language (ISO 639-2 Code)
- CHBChibcha
- CHEChechen Language (ISO 639-2 Code)
- CHGChagatai
- CHIChinese Language/Langue Chinois
- CHMCentro de Hidrografia da Marinha
- CHNChinook jargon
- CHOChoctaw
- CJKChinese, Japanese, and Korean
- CKCreek
- CKAChin, Khumi Awa
- CNACentral North America
- CPECreoles and Pidgins, English-based (Other)
- CPFCreoles and Pidgins, French-based ( Other)
- CPPCreoles and Pidgins, Portuguese-based (Other)
- CRECree Language (ISO 639-2 Code)
- CRFCaramanta, an extinct language of Colombia
- CRKCreek
- CRPCreoles and Pidgins (Other)
Last updated: — Total entries: 708