Down Syndrome Organizations
National & Provincial
- Canadian Down Syndrome Society – Canada’s National Organization
- National Down Syndrome Society – United States National Organization
- Down Syndrome Association of Ontario – Ontario’s Provincial Organization
Regional
- Down Syndrome Association of Brantford
- Durham Down Syndrome Association
- Down Syndrome Association of Hamilton
- Down Syndrome Association, Lambton County
- Down Syndrome Caring Parents Niagara
- Down Syndrome Association of Peterborough
- London Down Syndrome Association
- Waterloo Regional Down Syndrome Society
- Windsor Essex Down Syndrome Parent Association
- Down Syndrome Association of York Region
