Kaolinovo Municipality (Bulgarian: Община Каолиново) is a municipality (obshtina) in Shumen Province, Northeastern Bulgaria, located in the Ludogorie geographical region, part of the Danubian Plain.

The municipality embraces a territory of 293 km2 (113 sq mi) with a population of 12,646 inhabitants, as of December 2017.

[1] Kaolinovo Municipality includes the following 16 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: The municipality of Kaolinovo has one of the highest concentrations of Muslims in Bulgaria.

The municipality of Kaolinovo had relatively favourable demographic indicators compared to other areas in Bulgaria, although it has become worse.