- Nationalism, which is an ideology centered around the idea of national identity.
- Nationalism (politics), which in political theory refers to political ideologies and movements that emphasize national identity and the promotion of national interests over the interests of other nations or groups.
- Nationalist regime or Nationalist government, which describes the political system of a country that uses force and/or propaganda to promote national unity, identity, and solidarity, and usually involves some degree of state control over the economy, media, and civil society.
- Nationalist party, which describes any political party that places emphasis on national identity or nationhood.
- Nationalist movement
In addition, the term Nationalist can also be used to describe:
- A person who adheres to the ideology of nationalism.
- An individual who strongly supports their nation and its interests, policies, or values.