| Type: | commune |
| County: | Prahova |
| Apostolache | |
| Leader Name: | Mihail Bratu |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 45.1333°N 42°W |
| Elevation: | 184 |
| Area Total: | 20.27 |
| Population Total: | auto |
| Postal Code: | 107020 |
| Area Code: | +(40) 244 |
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, on the banks of the river Cricovul Sărat. It is located in the central-east part of Prahova County, northwest of the town of Mizil and northeast of the county seat, Ploiești.