| Type: | commune |
| County: | Ialomița |
| Population Total: | auto |
| Bucu | |
| Coordinates: | 44.6°N 57°W |
Bucu is a commune in Ialomița County, Muntenia, Romania. It is situated on the Ialomița River, between Bucharest and Constanța. It is composed of a single village, Bucu.