| Chavdar Municipality | |
| Native Name: | Община Чавдар |
| Native Name Lang: | bg |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sofia Province |
| Seat: | Chavdar |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
Chavdar Municipality is one of the municipalities in Sofia Province, Bulgaria. The seat is at Chavdar, Sofia Province.
According to the latest Bulgarian census of 2011, the religious composition, among those who answered the optional question on religious identification, was the following: