Boychinovtsi Municipality (Bulgarian: Община Бойчиновци) is a municipality (obshtina) in Montana Province, Northwestern Bulgaria, located in the transition between the Danubian Plain and the area of the so-called Fore-Balkan.

It is named after its administrative centre – the town of Boychinovtsi.

The municipality embraces a territory of 307.32 km2 (118.66 sq mi) with a population of 9,137 inhabitants, as of February 2011.

[1] Ogosta river, a right tributary of the Danube, flows through the area from southwest to northeast.

Boychinovtsi Municipality includes the following 13 places (towns are shown in bold): The following table shows the change of the population during the last four decades.