Ivaylovgrad Municipality is a municipality in Haskovo Province, Bulgaria. The administrative centre is Ivaylovgrad.

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 Ivaylovgrad Municipality Orthodox Christianity   79.9% Catholicism   1.1% Protestantism   0.3% Islam   8.2% No religion   3.8% Prefer not to answer, others and indefinable   6.7%