Isperih Municipality (Bulgarian: Община Исперих) is a municipality (obshtina) in Razgrad Province, Northeastern Bulgaria, located in the Ludogorie geographical region part of the Danubian Plain. It is named after its administrative centre - the town of Isperih.
The municipality embraces a territory of 402 km² with a population of 22,916 inhabitants, as of December 2009.The area is best known with the 3rd century BC Thracian Tomb of Sveshtari near the village of the same name.
Isperih Municipality includes the following 24 places (towns are shown in bold):
The following table shows the change of the population during the last four decades.
According to the latest Bulgarian census of 2011, the religious composition, among those who answered the optional question on religious identification, was the following: