Seimas groups for inter-parliamentary relations
- Group for Inter-Parliamentary Relations with Ireland
- Group for Inter-Parliamentary Relations with the Countries in the Arabian Peninsula Region
- Group for Inter-Parliamentary Relations with the Republic of Armenia
- Group for Inter-Parliamentary Relations with the Republic of Austria
- Group for Inter-Parliamentary Relations with the Republic of Azerbaijan
- Group for Inter-Parliamentary Relations with the Kingdom of Belgium
- Group for Inter-Parliamentary Relations with the Czech Republic and the Slovak Republic
- Group for Inter-Parliamentary Relations with the Republic of Estonia
- Group for Inter-Parliamentary Relations with the Hellenic Republic
- Group for Inter-Parliamentary Relations with Georgia
- Group for Inter-Parliamentary Relations with the Republic of India
- Group for Inter-Parliamentary Relations with the Islamic Republic of Iran
- Group for Inter-Parliamentary Relations with the Kingdom of Spain
- Group for Inter-Parliamentary Relations with the Italian Republic
- Group for Inter-Parliamentary Relations with the Knesset of Israel
- Group for Inter-Parliamentary Relations with Japan
- Group for Inter-Parliamentary Relations with the United Kingdom of Great Britain and Northern Ireland
- Group for Inter-Parliamentary Relations with the United States of America
- Group for Inter-Parliamentary Relations with Montenegro
- Group for Inter-Parliamentary Relations with the Republic of Kazakhstan
- Group for Inter-Parliamentary Relations with Canada
- Group for Inter-Parliamentary Relations with the People's Republic of China
- Group for Inter-Parliamentary Relations with the Kyrgyz Republic
- Group for Inter-Parliamentary Relations with the Republic of Korea
- Group for Inter-Parliamentary Relations with the Republic of Croatia
- Group for Inter-Parliamentary Relations with the Republic of Latvia
- Group for Inter-Parliamentary Relations with the Republic of Poland
- Group for Inter-Parliamentary Relations with the Republic of Lebanon
- Group for Inter-Parliamentary Relations with the Grand Duchy of Luxembourg
- Group for Inter-Parliamentary Relations with Latin America and the Caribbean
- Group for Inter-Parliamentary Relations with the Republic of Moldova
- Group for Inter-Parliamentary Relations with the Kingdom of the Netherlands
- Group for Inter-Parliamentary Relations with South African Republic
- Group for Inter-Parliamentary Relations with the French Republic
- Group for Inter-Parliamentary Relations with Romania
- Group for Inter-Parliamentary Relations with the Russian Federation
- Group for Inter-Parliamentary Relations with the Nordic Countries (Kingdom of Denmark, Republic of Iceland, Kingdom of Norway, Republic of Finland, Kingdom of Sweden)
- Group for Inter-Parliamentary Relations with the Swiss Confederation
- Group for Inter-Parliamentary Relations with the Holy See
- Group for Inter-Parliamentary Relations with the Republic of Turkey
- Group for Inter-Parliamentary Relations with Ukraine
- Group for Inter-Parliamentary Relations with Uzbekistan
- Group for Inter-Parliamentary Relations with the Western Balkan Countries
- Group for Inter-Parliamentary Relations with Hungary
- Group for Inter-Parliamentary Relations with the Federal Republic of Germany