Tabuaço (Portuguese pronunciation: [tɐβuˈasu]) is a municipality in the district Viseu in Portugal. The population in 2011 was 6,350, in an area of 133.86 km².
The present mayor is Dr. Carlos André Teles Paulo de Carvalho, elected by the Social Democratic Party (Portugal). The municipal holiday is June 24.
Administratively, the municipality is divided into 13 civil parishes (freguesias):
- Barcos e Santa Leocádia
- Granja do Tedo
- Paradela e Granjinha
- Pinheiros e Vale de Figueira
- Távora e Pereiro
- Valença do Douro