Glavinitsa Municipality (Bulgarian: Община Главиница) is a municipality (obshtina) in Silistra Province, Northeastern Bulgaria, located along the right bank of Danube river in the Danubian Plain in the area of the South Dobrudzha geographical region.

The municipality embraces a territory of 481.23 km2 (185.80 sq mi)[1] with a population of 12,610 inhabitants, as of December 2009.

[2] The main road II-21 crosses the area from east to west, connecting the province centre of Silistra with the city of Ruse.

Glavinitsa Municipality includes the following 23 places all of them villages: The following table shows the change of the population during the last four decades.

Ethnic Turks constitute the majority of the population of Glavinitsa Municipality, followed by a large Bulgarian minority and a small Roma community.