Unionist Party

• Atassut
• Central American Unionist Party
• Conservative and Unionist Party
• Democratic Unionist Party
• Independent Unionist Association
• Liberal Unionist Party
• National Progressive Unionist Party
• Northern Ireland Unionist Party
• Progressive Unionist Party
• Protestant Unionist Party
• Sahaphum Party
• Scottish Conservative and Unionist Party
• Scottish Unionist Party (1986)
• Separatism
• UK Unionist Party
• Ulster Popular Unionist Party
• Ulster Unionist Labour Association
• Ulster Unionist Party
• Union Party (Faroe Islands)
• Unionest Party
• Unionism (disambiguation)
• Unionist (disambiguation)
• Unionist Democratic Union
• Unionist Party (Canada)
• Unionist Party (Guatemala)
• Unionist Party (Kingdom of Croatia)
• Unionist Party (Punjab)
• Unionist Party (Scotland)
• Unionist Party (South Africa)
• Unionist Party (United States)
• Unionist Party of Northern Ireland
• Unionist government, 1895–1905
• United Ulster Unionist Party
• Vanguard Unionist Progressive Party