Avis (Portuguese pronunciation: [ɐˈviʃ]) is a municipality in the District of Portalegre in Portugal. The population in 2011 was 4,571, in an area of 605.97 km².
The present Mayor is Manuel Maria Libério Coelho, elected by the Unitarian Democratic Coalition. The municipal holiday is Easter Monday.
Administratively, the municipality is divided into 6 civil parishes (freguesias):
- Alcórrego e Maranhão
- Aldeia Velha
- Benavila e Valongo
- Figueira e Barros