Hub Dam (Urdu: حب ڈیم ) is a reservoir on the Hub River. It is situated 56 km from Karachi city in Karachi and Lasbela Districts on Sindh and Balochistan provinces border. The dam is extended to 24300 acres with gross storage capacity of 857000 acre feet. It is the Pakistan's third largest dam. It is an important source that provides the drinking water to the metropolitan city Karachi.
In 1974, the government of Sindh declared the area around dam as a wildlife sanctuary. The sanctuary is about 27219 hectors in size. It is favorable area for feeding and nesting for Cranes, Pelicans, Ducks and Waders. It also an important habitat of migratory birds. The Dam was designated a Ramsar site on 1st May 2001.
Hub Dam is also a tourist resort. On weekend holidays a large number of peoples from Karachi visit there to enjoy picnic, swimming and fishing.  A rest house of WAPDA is also located there for tourists stay.