| AUSTRALIA | Angelman Syndrome Association Australia www.angelmansydrome.org |
| BELGIA | Angelman Syndroom Belgie www.angelmansyndroom.be |
| FINLANDIA | Finnish Angelman Syndrome Society www.angelman.fi |
| FRANCJA | Syndrome Angelman – France (SaF) www.syndromeangelman-france.org |
| HOLANDIA | NINA Foundation www.ninafoundation.eu Angelman Syndrom Nederland www.angelmansyndroom.nl |
| IRLANDIA | Angelman Syndrome Ireland (ASI) www.angelman.ie |
| JAPONIA | Japan Angelman Syndrome Support Group (JASSG) Email: masako-m@ck9.so-net.ne.jp |
| KANADA | Canadian Angelman Syndrome Society (CASS) www.angelmancanada.org |
| NIEMCY | Angelman e.V www.angelman.de |
| NOWA ZELANDIA | The Angelman Network www.angelmannetwork.wordpress.com |
| PORTUGALIA | ANGEL Associacao Sindrome de Angelman Portugal www.angel.pt |
| STANY ZJEDNOCZONE | Angelman Syndrome Foundation (ASF)
www.angelman.org Foundation for Angelman Syndrome Therapeutics (FAST) www.cureangelman.net |
| SZWAJCARIA | Angelman Verein Schweiz www.angelman.ch |
| WĘGRY | Hungarian Angelman Syndrome Foundation
www.angelman.hu |
| WIELKA BRYTANIA | A.S.S.E.R.T
www.angelmanuk.org |
| WŁOCHY | ORSA Organizzazione Sindrome di Angelman www.sindromediangelman.org |