Cocorăștii Mislii is a commune in Prahova County, Muntenia, Romania. It is composed of three villages: Cocorăștii Mislii, Goruna, and Țipărești.

The commune is situated in the southern foothills of the Carpathian Mountains, at a mean altitude of 269 m (883 ft), on the banks of the Telega River. It is located in the central part of Prahova County, 20 km (12 mi) north of the county seat, Ploiești.