National and Regional Associations | Associations nationales et régionales
- African Network of Constitutional Lawyers | Réseau Africain de Droit Constitutionnel
- Asociación Argentina de Derecho Constitucional
- Asociación de Constitucionalistas de España
- Asociatia Romana de Drept Constitutional
- Associaçao brasileira dos Constitucionalistas democratas
- Association canadienne des professeurs de droit | Canadian Association of Law Teachers
- Association francaise de droit constitutionnel
- Association marocaine de Droit constitutionnel
- Association Nigérienne de Droit Constitutionnel
- Association of Greek Constitutionalists
- Asociación peruana de Derecho constitucional
- Associaçao Portuguesa de Direito Constitucional
- Associazione Italiana dei Costituzionalisti
- Australian Association of Constitutional Law
- China Law Society
- Constitutional Law Group (United Kingdom)
- Constitutional Lawyers' Forum (CLaF)
- The Danish Society for Constitutional Law
- Die Staatsrechtkring (the Dutch Association of Constitutional Law)
- Drustvo za Ustavno Pravo
- Finnish Association of Constitutional Law
- Gesellschaft für Rechtsvergleichung
- Hungarian association of Constitutional Law | Association Hongroise de Droit constitutionnel
- The Israeli Association of Public Law
- Japanese Section of IACL
- Korean Association of IACL
- Polish Society of Constitutional Law
- Société Burkinabé de Droit Constitutionnel (SBDC)
- Swedish Association of Constitutional Law
- Venezuelan Association of Constitutional Law
The Venice Commission has an observer status at the IACL – and vice versa. | La Commission de Venise a le statut d’observateur à l’AIDC – et réciproquement.