Chiangmai Sign Language (also known as Old or Original Chiangmai Sign Language) is adeaf-community sign language of Thailand that arose among deaf people who migrated toChiang Mai for work or family. The language is moribund, with all speakers born before 1960. Younger generations have switched toThai Sign Language.

• James Woodward, "Sign Languages and Deaf Identities in Thailand and Vietnam". In Monaghanet al. eds,Many Ways to Be Deaf: International Variation in Deaf Communities, 2003

• Thailand Sign Language family
• Endangered sign languages

• Articles with short description
• Short description matches Wikidata
• ISO language articles citing sources other than Ethnologue