Beloslav (Bulgarian: Белослав [bɛɫoˈsɫaf]) is a small industrial town in Varna Province, Northeastern Bulgaria, located 19 km away to the west from Varna downtown and Bulgarian Black Sea coast.

Transportation facilities include the railway and ro-ro ferry terminal with lines to Ukraine, Russia and Georgia served by the Sindel-razpredelitelna marshalling yard, the seaports of Varna Power Plant and LesPort of the Port of Varna complex, and a couple of railway stations.

The largest (1320 MW capacity plus an 880 MW natural gas-fueled installation under development) thermal power plant in the nation, TEC Varna, part of the CEZ Group, and the Terem Flotski Arsenal shipbuilding/repair yard, comprising also an Oceanic-Creations facility, are located just east of town.

Beloslav is an old centre of artistic glassblowing and fireproof glassmaking and currently supplies glass vials to international pharmaceutical companies.

In 2007, development of a new business and logistics centre started on the site of a former glass factory; it will also include two new manufacturing facilities and a port terminal for handling natural gas condensate, and will create a total of 2,000 jobs.