Qahveh Khaneh Sign Language
{{Short description|Deaf sign language of Tehran, Iran}}
{{Infobox language
|name=Qahveh Khaneh Sign Language
|states=Iran
|region=Tehran
|speakers=(moribund)
|familycolor=Sign
|family=deaf-community sign language
|iso3=none
|glotto=qahv1234
|glottorefname=Qahvehkhaneh Sign Language
}}
Qahveh Khaneh Sign Language, literally Coffee House Sign Language, is a deaf sign language of a few elderly members of the deaf community in Tehran. It has been in use since 1900 or earlier. It is unknown if it is related to Iranian Sign Language; it is possible that it descends from an ancestral form of Iranian Sign Language, dating to before that language was standardized.Erik Anonby, Mortaza Taheri-Ardali & Amos Hayes (2019) The Atlas of the Languages of Iran (ALI). Iranian Studies 52. [https://docs.google.com/document/d/13HM6ElEb3cPqf4FWxYVc8LqRrvFsyu0mGXXqaawgXWk/pub#ftnt142 A Working Classification] {{Webarchive|url=https://web.archive.org/web/20211016065304/https://docs.google.com/document/d/13HM6ElEb3cPqf4FWxYVc8LqRrvFsyu0mGXXqaawgXWk/pub#ftnt142 |date=2021-10-16 }}
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