Blueshirt (plural Blueshirts)
- (historical, 1930s) A member of an Irish fascist organization led by Eoin O'Duffy.
- (derogatory) A member of Ireland's Fine Gael political party, which O'Duffy's followers joined after their own organization was dissolved.
- (ice hockey) A member of the National Hockey League's New York Rangers, named for the blue sweaters they wear in away games.
- (historical) A member of the paramilitary wing of the Kuomintang during Chiang Kai-shek's rule of the Republic of China.