The Outeniqua Mountains, named after the Outeniqua Khoikhoi who lived there, is a mountain range that runs on the southern coast of South Africa.

It forms a continuous range with the Langeberg to the west and the Tsitsikamma Mountains to the east. It was known as "Serra de Estrella" ("Mountain of the Star") to the Portuguese. The mountains are part of the Garden Route of South Africa.