Marquis of Viana

This article is about the Portuguese peerage title. For the Spanish title, see Marquess of Viana (1875).
Coat of Arms of the Manoel family, Marquesses of Viana.

Marquis of Viana (in Portuguese Marquês de Viana) was a Portuguese title of nobility granted on July 3, 1821, John VI of Portugal to D. João Manoel de Menezes, who already was 2nd Count of Viana, a son of Domingos Manoel de Noronha, 3rd Marquess of Tancos.