Momchilgrad Municipality is a municipality in Kardzhali Province, Bulgaria. The administrative centre is Momchilgrad.

According to the latest Bulgarian census of 2011, the religious composition, among those who answered the optional question on religious identification, was the following:

Religious composition of Momchilgrad Municipality Orthodox Christianity   5.8% Catholicism   0.1% Protestantism   0.0% Islam   84.8% No religion   1.4% Prefer not to answer, others and indefinable   7.9%