Viscount of Banho (Portuguese: Visconde de Banho) is an hereditary title created by Queen Maria II of Portugal, by decree on 21 July 1835, in favour of Alexandre Tomás de Morais Sarmento, at the same time that his brother was made 1st Baron and 1st Viscount of Torre de Moncorvo, of Tomás Inácio de Morais Sarmento.