Tivissa is a municipality in the comarca of Ribera d'Ebre, in the autonomous community of Catalonia, Spain. It is located in the south of Catalonia, within the province of Tarragona.
The municipality has a population of 1,658. As a municipality, it covers the town of Tivissa together with the surrounding area, and it forms part of the administrative structure of the Ribera d'Ebre comarca.