Instituciones europeas
| País | Organización | Sitio Web |
|---|---|---|
| Austria | Down-Syndrom Österreich | www.down-syndrom.at |
| Bélgica | Down Syndrome Foundation Belgium | www.downsyndrome.be |
| Bosnia y Herz. | Udruzenje Zivot Sa Down Syndromom | www.downsy.ba |
| Croacia | Croatian Down Syndrome Association, Zagreb | www.zajednica-down.hr |
| Rep. Checa | DownSyndrom CZ | www.downsyndrom.cz |
| Dinamarca | Landsforeningen Downs Syndrom | www.downssyndrom.dk |
| Francia | Trisomie 21 France | www.trisomie21-france.org |
| Francia |
Fondation Jérôme Lejeune |
www.fondationlejeune.org |
| Alemania | Deutsches Down-Syndrom InfoCenter | www.ds-infocenter.de |
| Grecia | Down Syndrome Association of Greece | www.down.gr |
| Hungría | Down Association | downegyesulet.hu |
| Islandia | Down Syndrome Iceland | www.downs.is |
| Irlanda | Down Syndrome Ireland | www.downsyndrome.ie |
| Italia | Associazione Italiana Persone Down | www.aipd.it |
| Kosovo | Down Syndrome Association of Kosova | www.downsyndromekosova.org |
| Luxemburgo | Trisomie 21 | www.trisomie21.lu |
| Macedonia | Down Syndrome Center | downsyndrome.mk |
| Países Bajos | Stichting Downsyndroom (SDS) | downsyndroom.nl |
| Noruega | Norsk Nettverk for Down Syndrom (NNDS) | nnds.no |
| Polonia | Stowarzyszenie Razem - Organizacja Pożytku... | www.stowarzyszenie-razem.org |
| Portugal | Associação Portuguesa de Portadores de Tris... | www.appt21.org.pt |
| Rumania | Asociatia Langown Down Oltenia Centrul Edu... | www.sindrom-down.ro |
| Rusia | Downside Up | downsideup.org |
| Eslovenia | Društvo Downov sindrom Slovenija (DDSS) | www.downov-sindrom.si |
| España | Asociación Síndrome de Down de Baleares (ASNIMO) | fundacionasnimo.org |
| España | Fundació Catalana Síndrome de Down | www.fcsd.org |
| España | Down España | www.sindromedown.net |
| Suecia | Svenska Downföreningen | www.svenskadownforeningen.se |
| Suiza | Insieme 21 | www.insieme21.ch |
| Turquía | Down Türkiye - Down Sendromu Derneği | www.downturkiye.org |
| Ucrania | Ukrainian Down Syndrome Organization | www.downsyndrome.org.ua |
| Reino Unido | Down's Syndrome Association (UK) | www.downs-syndrome.org.uk |
Estos datos han sido obtenidos de las páginas de la Asociación Europea de Síndrome de Down (EDSA) y de Down Syndrome International.



