Vilar Dam (Portuguese: Barragem de Vilar, also known as Barragem de Vilar-Tabuaço) is an embankment dam on the Távora, a left (southern) tributary of the Douro.

It is located in the municipality Tabuaço, in Viseu District, Portugal.

It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE) and is used for power generation.

The chute spillway with 2 radial gates is located at the right side of the dam.

The power station contains 2 Pelton turbine-generators (vertical shaft) with 32.65 MW (40 MVA) in an underground powerhouse 350[5] m below the surface, located 15.6[4] km from the dam.