Smyadovo Municipality () is a municipality (obshtina) in Shumen Province, Northeastern Bulgaria, located in the vicinity of the northern slopes of the Eastern Stara planina mountain to the area of the so-called Fore-Balkan. It is named after its administrative centre - the town of Smyadovo.
The municipality embraces a territory of with a population of 7,402 inhabitants, as of December 2009.
Smyadovo Municipality includes the following 10 places (towns are shown in bold):
The following table shows the change of the population during the last four decades.
According to the 2011 census, among those who answered the optional question on ethnic identification, the ethnic composition of the municipality was the following: