The Hamburg Sign Language Notation System, or HamNoSys, is a phonetic transcription system for sign languages, analogous to the IPA for oral languages. It was developed in 1985 at the University of Hamburg, Germany. It is in its fourth revision.
^a Sign-language names reflect the region of origin. Natural sign languages are not related to the spoken language used in the same region. For example, French Sign Language originated in France, but is not related to French. ^b Denotes the number (if known) of languages within the family. No further information is given on these languages.