Troyan Municipality () is a municipality (obshtina) in Lovech Province, Central-North Bulgaria, located from the northern slopes of the central Stara planina mountain to the area of the Fore-Balkan. It is named after its administrative centre - the town of Troyan.
The municipality embraces a territory of with a population of 33,827 inhabitants, as of December 2009.
The area is best known with the Troyan Monastery - the third biggest in Bulgaria, and the north approach to Beklemeto Pass, also known as Troyan Pass, which is one of the connections between the north and south parts of the country.
Troyan Municipality includes the following 22 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: