ðə vˌiːɛtnəmˈiːz lˈæŋɡwɪdʒᵻz ɑːɹ pˈɑːɹt əvə sˈaɪn lˈæŋɡwɪdʒ ˈɛɹiə ðæt ɪŋklˈuːdz ɪndˈɪdʒənəs sˈaɪn lˈæŋɡwɪdʒᵻz ʌv lˈaʊz ænd tˈaɪlənd, ðˌoʊ ɪɾ ɪz nˌɑːt nˈoʊn ɪf ðeɪ ɑːɹ dʒˌiːnɪˈælˈɑːdʒɪkli ɹᵻlˈeɪɾᵻd tʊ ˈiːtʃ ˈʌðɚ.
The Vietnamese languages are part of a sign language area that includes indigenous sign languages of Laos and Thailand, though it is not known if they are genealogically related to each other.