Unionist may refer to:
A member or supporter of a trade union
Europe British Isles Unionism in the United Kingdom Unionism in England Unionism in Ireland Unionism in Wales Unionism in Scotland Unionist Party (Scotland) Scottish Conservative & Unionist Association Conservative and Unionist Party, known simply as Conservatives
Other places in Europe Unification of Moldova and Romania, Romanian-Moldovan Unionists Spanish unionism Committee of Union and Progress, commonly CUP or Unionists, Turkey (Ottoman Empire) Unionism in Belgium
Asia Unionist Party (Punjab), India
North America Southern Unionist, a resident of the slave states opposed to secession prior to or during the American Civil War Unionist politician (American Civil War) Unionist Party (Canada), a merger of parties that led Canada during World War I
See also Unionist Party (disambiguation) Unionism (disambiguation) Union (disambiguation)