Beydağları Coastal National Park (Turkish: Beydağları Sahil Milli Parkı), a.k.a. Olympos Beydagları National Park (Turkish: Olimpos Beydağları Millî Parkı), is a national park in Antalya Province, southern Turkey.
The national park was established on March 16, 1972, by government decree. It stretches over an area of 34,425 ha (132.92 sq mi) beginning in Sarısu, located southwest of Antalya and reaching out to Cape Gelidonya parallel to the Mediterranean Sea across the Kemer-Kumluca shoreline.