Roman Catholic Church

The Roman Catholic Church (Latin: Ecclesia Catholica) was a major denomination of the Christian religion on Earth.

Tracing its origins back to the 1st century human religious figure Jesus Christ, the Catholic Church played a major role in Earth's history over the centuries. Headquarted in Vatican City within the city of Rome, Italy, the church was led by the Pope.

In the mid 22nd century Phlox attended a Catholic mass at St. Peter's Basilica while studying the varying religions of Earth. 

The church still existed as recently as the early 24th century. As a young boy Miles O'Brien attended a Catholic church led by Father Fitzpatrick while growing up in Ireland.