Most of Bagangenyos, about 92% of its population are Roman Catholic. Under the Diocese of Mati, Baganga  comprise three(3) Parishes; Imaculate Conception in Brgy. Central, Sacred Heart in Brgy. Lambajon, and Sto. Niño in Brgy. Kinablangan.

1.6% of its population are Seventh Day Adventist. 1.3% are United Church of Christ in the Philippines, 1.0% are Iglesia ni Cristo, 1.0% are Jehova’s Witnesses, the remaining percentage are of various religions and sects.

Percentage based from 1995 data