Tipasa, sometimes distinguished as Tipasa in Mauretania, was a colonia in the Roman province Mauretania Caesariensis, nowadays called Tipaza, and located in coastal central Algeria. Since 1982, it has been declared by UNESCO a World Heritage Site. It was declared a World Heritage Site in danger in 2002, but was removed from the danger list in 2006 following conservation efforts.

Tipaza is the capital of the Tipaza Province, Algeria. When it was part of the Roman Empire, it was called Tipasa. The modern town was founded in 1857, and is chiefly remarkable for its ancient ruins and sandy littoral.