- International Huntington Association
- European Huntington Association
- HD Buzz Research News
- EHDN European Huntington's Disease Network
- CHDI Foundation
- Huntington Society of Canada
- Huntingtons Disease Association Northern Ireland
- Scottish Huntington's Association
- Huntington Disease Association UK
- Huntington Disease Society of USA
- Hereditary Disease Foundation
- Huntington Study Group
- Huntington's Lighthouse
Huntingtons Disease Association of Ireland is a member of:
- Carmichael Centre for Voluntary Groups
- Genetic and Rare Disorders Organisation
- Neurological Alliance of Ireland
- Carers Alliance
- Disability Federation of Ireland
- Mental Health Reform
National websites of interest to members:
- Beaumont Hospital Mindfulness and Relaxation Centre
- Department of Health
- Citizens Information Centre
- Family Carers Ireland
- Irish Hospice Foundation - Advance Care Directives
- Mental Health Ireland
- National Centre for Medical Genetics - (Predictive HD test)
- Pieta House
- Áras an Uachtaráin - (Official Residence of The President of Ireland).