Marten (Bulgarian: Мартен [ˈmartɛn]) is a town in the northern part of Bulgaria.

In the site called Yamata (Bulgarian: Ямата) a meteorite crater, unique for Bulgaria, is located.

[1] The town was founded as a Roman Fortress called Tegra (Tegris, Tigris) in the 1st century AD, a part of the fortifications on the Danube border of the Empire.

Marten was proclaimed a town on August 7, 2006, by the House of Ministers of the Republic of Bulgaria.

Marten Crag on Trinity Peninsula in Antarctica is named after the town.