The Mental Disability Advocacy Center (MDAC) is an international human rights organisation which advances the rights of children and adults with intellectual disabilities and psycho-social disabilities. MDAC uses law to promote equality and social inclusion through strategic litigation, advocacy, research and monitoring and capacity-building. MDAC operates at the global level as well as regional and domestic levels in Europe and Africa.
MDAC is headquartered in Budapest, Hungary and was registered as a foundation by the Budapest Capital Court (registration number 8689) in November 2002. The Open Society Foundations (OSF) founded MDAC and continues to be one of its donors. MDAC has participatory status with the Council of Europe. In 2011 MDAC was granted a special consultative status with the United Nations Economic and Social Council.