| Nagarbari-Mohanganj Dolphin Sanctuary | |
| Iucn Category: | VI |
| Map: | Bangladesh |
| Label: | Nagarbari-Mohanganj Dolphin Sanctuary |
| Relief: | 1 |
| Coordinates: | 23.9496°N 89.6564°W |
| Location: | Pabna, Rajshahi, Bangladesh |
| Area: | 408.11ha |
Nagarbari-Mohanganj Dolphin Sanctuary (Bengali: নগরবাড়ি-মোহনগঞ্জ শুশুক অভয়ারণ্য) is a dolphin sanctuary located at Bera Upazila under Pabna District of Bangladesh. It is one of the three river-based dolphin sanctuaries in Padma-Jamuna confluence, the others being the Nazirganj Dolphin Sanctuary and the Shilanda-Nagdemra Dolphin Sanctuary.[1] The area of the sanctuary is 408.11ha.[2] Home to the endangered freshwater Ganges river dolphins, it was officially declared as a wildlife sanctuary by the government of Bangladesh on 1 December 2013.[3]