- Partai Demokrat Liberal (Jepang)
- Negara Islam Irak dan Syam
- Responsibility – Social Democratic Alliance of Political Parties
- Democratic Party (United States)
- Democratic Party (South Korea, 2015)
- Red–green alliance
- Latvian Social Democratic Workers' Party
- Social Democratic Party (Japan)
- List of Christian democratic parties
- Christian Democratic Union of Germany
- List of political parties in the Republic of Ireland
- Swedish Social Democratic Party
