National Union
- Government Junta of Chile (1924)
- Kenya African National Union
- Liberia National Union
- Lithuanian Nationalist Union
- National Union (Chad)
- National Union (Egypt)
- National Union (Gabon)
- National Union (Israel)
- National Union (Italy, 1923)
- National Union (Italy, 1924)
- National Union (Italy, 1947)
- National Union (Latvia)
- National Union (Madagascar)
- National Union (Netherlands)
- National Union (Peru)
- National Union (Poland)
- National Union (Portugal)
- National Union (South Africa)
- National Union (Spain)
- National Union (Spain, 1900)
- National Union (Switzerland)
- National Union (club)
- National Union Movement (Chile)
- National Union Movement (Jordan)
- National Union Party (Costa Rica)
- National Union Party (Iran)
- National Union Party (United States)
- National Union for Democracy and Progress (disambiguation)
- National Union of Greece
- National Unionist Party (Greece)
- National Unity (disambiguation)
- Nationalist Union of the People
- Russian National Union
- Transvaal National Union
- Ukrainian National Union (political party)
- Union Nationale (Quebec)
- Union of Nationalists