Wikimedia Commons has media related to Roman Catholics by country.

This category includes articles on people who are or were members of the Roman Catholic Church by country. Note Wikipedia's WP:BLP policy: "Categories regarding religious beliefs ... should not be used unless the subject has publicly self-identified with the belief ... in question; and the subject's beliefs ... are relevant to his notable activities or public life, according to reliable published sources."

This is a container category. Due to its scope, it should contain only subcategories.