•  State institutions of the Republic of Lithuania

• Seimas of the Republic of Lihuania
• President of the Republic of Lithuania
• Government of the Republic of Lithuania
• Supreme Court of Lihuania
• Supreme Administrative Court

•  Institutions of foreign states exercising constitutional jurisdiction

• ALBANIA – Constitutional Court
• ALGERIA – Constitutional Council
• ANDORRA – Constitutional Court
• ARMENIA – Constitutional Court
• AUSTRIA – Constitutional Court
• AUSTRALIA – High Court
• AZERBAIJAN – Constitutional Court
• BELGIUM – Constitutional Court
• BOSNIA AND HERCEGOVINA – Constitutional Court
• BULGARIA – Constitutional Court
• BRASILIA – Federal Supreme Court
• CHILE – Constitutional Court
• CROATIA – Constitutional Court
• CYPRUS – Supreme Court
• COLOMBIA – Constitutional Court
• CANADA – Supreme Court
• CZECH REPUBLIC – Constitutional Court
• DENMARK – Supreme Court
• ESTONIA – Supreme Court
• FRANCE – Constitutional Council
• GERMANY – Federal Constitutional Court  
• GEORGIA – Constitutional Court
• HUNGARY– Constitutional Court
• INDONESIA– Constitutional Court
• IRELAND – Supreme Court
• ISRAEL – Supreme Court
• ITALY – Constitutional Court
• KOREA (SOUTH) – Constitutional Court
• KOSOVO – Constitutional Court
• KYRGYZSTAN – Constitutional Chamber of the Supreme Court
• LATVIA – Constitutional Court
• LIECHTENSTEIN – Constitutional Court
• MACEDONIA – Constitutional Court
• MALTA – Constitutional Court
• MOLDOVA – Constitutional Court
• MONTENEGRO – Constitutional Court
• NORWAY – Supreme Court
• PERU – Constitutional Court
• POLAND – Constitutional Tribunal
• PORTUGAL – Constitutional Court
• ROMANIA – Constitutional Court
• SERBIA – Constitutional Court
• SLOVAKIA – Constitutional Court
• SLOVENIA – Constitutional Court
• SOUTH AFRICA – Constitutional Court
• SPAIN – Constitutional Court
• SWITZERLAND – Federal Supreme Court
• TURKEY – Constitutional Court
• UKRAINE – Constitutional Court

•  Conference of European Constitutional Courts

•  European Commission for Democracy through Law (Venice Commission)

•  World Conference on Constitutional Justice

• Association of Constitutional Justice of the Countries of the Baltic and Black Sea Regions

•  International courts

• International Court of Justice
• European Court of Human Rights
• Court of Justice of the European Union
• International Criminal Court