| Ugarchin Municipality | |
| Native Name: | Община Угърчин |
| Settlement Type: | Municipality |
| Coordinates: | 43.1°N 49°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province (Oblast) |
| Subdivision Name1: | Lovech |
| Subdivision Name2: | Ugarchin |
| Area Total Km2: | 523.10 |
| Population Total: | 7,181 |
| Population As Of: | December 2009 |
| Population Density Km2: | auto |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Ugarchin Municipality (Bulgarian: Община Угърчин) is a municipality (obshtina) in Lovech Province, Central-North Bulgaria, located from the area of the so-called Fore-Balkan to the Danubian Plain. It is named after its administrative centre - the town of Ugarchin.
The municipality embraces a territory of 523.1km² with a population of 7,181 inhabitants, as of December 2009.[1]
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: