| Bug estuary | |
| Location: | Ukraine |
| Coords: | 46.8667°N 90°W |
| Type: | estuary |
| Inflow: | Southern Bug |
| Pushpin Map: | Ukraine |
| Pushpin Map Alt: | Location of estuary off the coast of Ukraine |
| Basin Countries: | Ukraine |
| Length: | 82km (51miles) |
| Width: | 11km (07miles) |
| Cities: | Mykolaiv |
The Bug estuary (Ukrainian: Бузький лиман|Buz'kyi lyman) is an estuary of the Southern Bug. It is long and up to wide. Together with the Dnieper estuary it makes the Dnieper–Bug estuary on the northern coast of the Black Sea. The city of Mykolaiv is located on the Bug estuary.