Triple Alliance (1788), Great Britain, the Dutch Republic, and Prussia to counter Russia
Treaty of the Triple Alliance (1865), Brazil, Uruguay, and Argentina against Paraguay in the Paraguayan War (1864–1870)
Triple Alliance (1882), Germany, Austria-Hungary, and Italy to counter France and Russia
Triple Alliance (1914), an alliance of British trade unions: Miners' Federation of Great Britain, National Transport Workers' Federation, and National Union of Railwaymen