Apostolache is a commune in Prahova County, Muntenia, Romania.

It is composed of five villages: Apostolache, Buzota, Mârlogea, Udrești, and Valea Cricovului.

The commune is situated towards the northern edge of the Wallachian Plain, at an altitude of 184 m (604 ft), on the banks of the river Cricovul Sărat.

It is located in the central-east part of Prahova County, 28 km (17 mi) northwest of the town of Mizil and 38 km (24 mi) northeast of the county seat, Ploiești.

This Prahova County location article is a stub.