Marvão (Portuguese pronunciation: [mɐɾˈvɐ̃w]) is a municipality in Portalegre District in Portugal. The population in 2020 was 2,972 (and dropping at a rate of around one inhabitant per week), in an area of 154.90 km2. The present Mayor is Luís Vitorino, elected by the Social Democratic Party. The municipal holiday is September 8.