According to Einstein, whose musings happen to coincide with my own, so he must have been right, neither matter nor energy are created or destroyed.
It is generally conceded by Science, and again endorsed by me, and therefore correct, that what makes us us is energy as opposed to matter, which means our bodies are basically a really long-lasting outfit.
There is no faith tradition that disagrees with any of that, though there is a bit of disagreement, and a lot of downright vagueness and uncertainty, on the question of the exact disposition of that "us" unit of energy.
We can't know for sure whether reincarnation in the traditional sense is exactly "what happens" to us, but if you peer a bit deeper into whatever your faith tradition is, and move from asking the local pastor or imam or rabbi and into the alluring world of very old men representing them all and arguing endlessly about a punctuation mark-cum-vowel therefore word that 2000 or 1500 years ago, or both, was commonly used in a particular part of the world to mean variously "eternity," "wool," and "salted fish," and you manage to pull one or more aside and ask them to tell you all about it, because you don't have time to read all those books, because they are really thick, it is most likely that have you caught your theologian in a particularly generous mood, he will say "I don't know," which will cause you to feel an immediate sense of deep peace and calm, because those books really are thick, and there are a whole mess of 'em.