| Type: | commune |
| County: | Prahova |
| Official Name: | Colceag |
| Leader Name: | Ionuț Soare[1] |
| Leader Party: | PNL |
| Leader Term: | 2024 - 2028 |
| Coordinates: | 44.95°N 47°W |
| Elevation: | 103 |
| Area Total: | 58.05 |
| Population Total: | auto |
| Postal Code: | 107170 |
| Area Code: | +(40) 244 |
Colceag is a commune in Prahova County, Muntenia, Romania. It is composed of four villages: Colceag, Inotești, Parepa-Rușani, and Vâlcelele.
The commune is situated in the Wallachian Plain, at an altitude of, on the banks of the river Bălana. It is located in the southeastern extremity of Prahova County, east of the county seat, Ploiești. The Inotești train station serves the CFR Main Line 500, which starts in Bucharest, goes through Ploiești and Buzău, and continues towards Moldavia.