The federal republic known as the United States of America. ie: "Shortly after Texas declared independence they chose to join the Union."

The unity or disunity of the United Kingdom, especially in constitutional debates in Ireland, Scotland and Wales

The European Union.

A villainous organization featured in many James Bond books.

The University of New South Wales Union, now known as the Source

Acts of Union 1707, between England and Scotland

A group in the Demoscene

The University of Sydney Union

Union (American Civil War)

A professional wrestling stable, The Union

A Dublin newspaper founded 1887 to support Unionism

A coalition of Italian parties (Italian: L'Unione), formerly known as Olive Tree, that is a political denomination strongly related to Third Way policies in Italy and commonly adopted by center-to-left alliances.

The partnership of the German political parties the Christian Democratic Union and the Christian Social Union