JRR Tolkien was a devoted Christian. He and CS Lewis spent hours together at Oxford discussing Christianity. The trilogy reflects the high morality and world view of the Christian faith.
Specifically a very devout Catholic Christian. As Tolkien wrote in a letter, The Lord of the Rings is “a fundamentally religious and Catholic work; unconsciously so at first, but consciously in the revision. That is why I have not put in, or have cut out, practically all references to anything like ‘religion,’ to cults or practices, in the imaginary world. For the religious element is absorbed into the story and the symbolism.”
I agree.
But there are no Christian figures in the trilogy, they are all pre Christian European myths that form the basis for the Trilogy.
It is actually one of the best literary works of the Century IMHO