The Huntington's Disease Association (HDA) is a charity that supports people in England and Wales affected by the genetic neurodegenerative brain condition Huntington's disease (HD).

[2] It has worked to establish and support a network of multidisciplinary clinics for HD patients in the UK.

[3] The charity was instrumental in the 2010 launch of an All-Party Parliamentary Group for Huntington's disease in the UK Parliament, chaired by Lord Walton of Detchant, and 2010 research revealing that the prevalence of HD is much higher than previously thought.

[4][5] The HDA won the 2005 UK Charity Award for healthcare and medical research[3] and the 2005 National Health Service (NHS) Health and Social Care Award for long term conditions.

[6] The HDA's patrons are singer Tony Hadley and entertainer Shane Richie.