| Country | Organisation | Tel / Email | Info | Website Link | |
|---|---|---|---|---|---|
| Australia NSW |
Williams Syndrome Australia | 0439 431 256 info@williamssyndrome.org.au |
Website | ||
| Australia Western Australia |
Williams Syndrome Association of Western Australia | 0417 946 007 wsawa@wsawa.org |
Website | ||
| Australia VIC |
Williams Syndrome Family Support Group | Website | |||
| Argentina | Associacion Argentina de Sindrome de Williams (aAsW) | Website | |||
| Belgium | Williams-Beuren Syndroom v.z.w | Website | |||
| Belgium | Afrham section Syndrome de Williams | Website | |||
| Brazil | Associação Brasileira da Sindrome de Williams | Website | |||
| Canada | Canadian Association for Williams Syndrome | Website | |||
| Chile | Corporación Síndrome de Williams Chile | Website | |||
| United Kingdom | Williams Syndrome Foundation (UK) | 0208 567 1374 enquiries@williams-syndrome.org.uk ceo@williams-syndrome.org.uk |
Website | ||
| Czech Republic | Willik | Website | |||
| Denmark | Dansk Foreing for Williams Syndrom | Website | |||
| Europe - General | European Federation of Williams Syndrome | president@eurowilliams.org paul.pyck@eurowilliams.org |
Website | ||
| France | Autour des Williams | Website | |||
| France | Federation Fracaise du Syndrome de Williams et Beuren | Website | |||
| Germany | Bundesverband William-Beuren Syndrom | Website | |||
| Hungary | Magyar Williams Szindroma Tarsasag | Website | |||
| Ireland | Williams Syndrome Association of Ireland (WSAI) | Website | |||
| Israel | Williams Syndrome Association of Israel | +972-(0)3-530-2663 gothelf@post.tau.ac.il varda.dolev@sheba.health.gov.il |
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| Italy | Associazione Italiana Sindrome deWilliams | Website | |||
| Netherlands | Vereniging VG - netwerken - Williams | Website | |||
| New Zealand | New Zealand Williams Syndrome Association | Stilly05@live.com | Regional coordinators list on website |
Website | |
| Norway | Norsk Forening for WS (Norway) | Website | |||
| Portugal | Associacao Portuguesa de Portadores de Sindrome de Williams | 218 371 699 |
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| South Africa | Rare Diseases South Africa | Website | |||
| United States | Williams Syndrome Association | 248.244.2229 | 800.806.1871 info@williams-syndrome.org |
Local community link: |
Website |
