National Union

National Union may refer to one of many political parties:

• Liberia National Union
• National Union (Chad)
• National Union (Chile)
• National Union Party (Costa Rica)
• National Union (UAR), Nasser's party in the United Arab Republic, 1957 - 1962
• National Union (Greece)
• National Union (Israel)
• National Union (Madagascar)
• National Union (Peru)
• National Union (Portugal)
• National Union (Romania)
• National Union (Switzerland)
• National Union Party (United States)
• Russian National Union
• The Union Nationale in Quebec, Canada, occasionally referred to in English as "National Union" in older documents
• The United States Republican Party during the United States presidential election, 1864 and United States House election, 1864.

National Union may also refer to:

• Transvaal National Union, organisation established for the purpose of constitutional agitation for equal rights for uitlanders in the Transvaal, ?-1899.
• National Union for Democracy and Progress (disambiguation)
• Vacuum tube for the brand of tubes.
• National Union Electric Corporation, a U.S. conglomerate including Emerson Radio and the Henney Kilowatt. In 1974, the company was acquired by Electrolux.
• National Union of Greek Australian Students - a federation of Hellenic Students Societies in Australia