| Baleshwari River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Bangladesh |
| Subdivision Type3: | Region |
| Subdivision Name3: | Barisal Division |
| Subdivision Type4: | Districts |
| Subdivision Name4: | Bagerhat and Barguna |
| Length: | 146km (91miles) |
| Source1: | Kaliganga River |
| Source1 Coordinates: | 22.7341°N 89.9972°W |
| Mouth: | Haringhata River (to the Bay of Bengal) |
| Mouth Coordinates: | 22.4903°N 89.9801°W |
The Baleshwari River is located in Bangladesh, forming part of the eastern border of Bagerhat District and the western border of Barguna District.[1] It borders on the east the largest mangrove forest in the world, in the Ganges-Brahmaputra delta, the Bangladesh part of which is set aside as the Sundarbans Reserve Forest. The 146 kilometers long Baleshwar flows south into the Haringhata River, which empties into the Bay of Bengal.