Unionist
- Committee of Union and Progress
- Conservative Party (UK)
- Southern Unionist
- Spanish unionism
- Unification of Moldova and Romania
- Union (disambiguation)
- Unionism (disambiguation)
- Unionism in Belgium
- Unionism in Ireland
- Unionism in Scotland
- Unionism in the United Kingdom
- Unionist Party (Canada)
- Unionist Party (Punjab)
- Unionist Party (Scotland)
- Unionist Party (disambiguation)
- Unionist politician (American Civil War)