Alfatar (Bulgarian: Алфатар [aɫfɐˈtar]) is a town in Silistra Province, Northeastern Bulgaria, located in 18 km (11 mi) to the south of the town of Silistra.

It is the administrative centre of the homonymous Alfatar Municipality.

As of December 2018, the town of Alfatar has a dwindling population of 1,395 people, down from its peak of 4,358 people shortly after the Second World War.

Alfatar is exclusively inhabited by ethnic Bulgarians (100%).

This Silistra Province, Bulgaria location article is a stub.