Hanoi Sign Language is the

deaf-community sign language A deaf-community or urban sign language is a sign language that emerges when deaf people who do not have a common language come together and form a community. This may be a formal situation, such as the establishment of a school for deaf students, ...

of the city of

Hanoi Hanoi or Ha Noi ( or ; vi, Hà Nội ) is the capital and second-largest city of Vietnam. It covers an area of . It consists of 12 urban districts, one district-leveled town and 17 rural districts. Located within the Red River Delta, Hanoi is ...

in Vietnam. It is about 50% cognate with the other sign languages of Vietnam, and its vocabulary has been extensively influenced by the

French Sign Language French Sign Language (french: langue des signes française, LSF) is the sign language of the deaf in France and French-speaking parts of Switzerland. According to ''Ethnologue'', it has 100,000 native signers. French Sign Language is relate ...

once taught in Vietnamese schools for the deaf.

References

Languages of Vietnam Sign languages {{sign-lang-stub