He isn't part of any religion. In The Deceived on the album Ascendancy, there are lyrics that say:
"Live by the former decrees, of a manufactured god." So by that I'd say he's atheist or agnostic.
18mm
Matt LeBlanc is a christian
Matt Hardy doesn't have a religion.
Matt Smith is an Atheist. Which means he does not have a religion and does not believe in a god(s) or supreme being.
Jew
Matt Shadow is in a band called, " Avenged Sevenfold". Matt is not a Christian. Matt is not affiliated with any type of religion.
Matty is catholic
Roman Catholic
Matt Hechtism
Matthew Bellamy is an Atheist
Matt Farah is not publicly known to adhere to any specific religion. He is primarily known for his work as a automotive journalist, podcaster, and YouTuber.
Just in case you can't use Wikipedia, Matt Maher practices catholicism.