Internationalist may refer to:
Internationalism (politics), a movement to increase cooperation across national borders Liberal internationalism, a doctrine in international relations Internationalist/Defencist Schism, socialists opposed to World War I A member of the: First International, or International Workingmen's Association, (1864–1876), an organization aimed at uniting various left-wing groups Second International, (1889–1916), the original Socialist International International Brigades, volunteers from different countries, who fought for the Second Spanish Republic in the Spanish Civil War (1936–1939) Internationalist Review, an e-journal founded in Maastricht The Internationalist, a magazine based in Seattle Internationalist (album), a 1998 album by Australian band Powderfinger New Internationalist, an international magazine that works for social justice
See also Internationalism (disambiguation)