Non-Roman Catholic AnswerA Catholic is certainly ABLE to go to a Christian church. How the Catholic church will feel about this is a different matter, and a careful perusal of the below will probably give you a clue. (Hint: it's the "the only Christian Church [...] is the Catholic Church" part.)Roman Catholic AnswerCatholics attend a Christian Church every time they go to Mass! The Catholic Church is Christian. Several protestant ecclesial communities, in their effort to establish that they are Christian, deny that word to Catholics. Any simple glance at history will show that the only Christian Church, which was established by Jesus Christ, and exists to this day, is the Catholic Church. from A Catholic Dictionary, edited by Donald Attwater, Second edition, revised 1957ChristianA name fir