I mean, after his true death; after the duel with Harry at Hogwarts. Perhaps Order of Phoenix members did something with it?
They moved Voldemort’s body and laid it in a chamber off the [Great] Hall[.]
Deathly Hallows - page 596 - Bloomsbury - chapter 36, The Flaw In the Plan
I kind of don't think that people were exactly lined up to claim Voldemort's body. After the above quote, there is no further canon reference to the disposal of Voldemort's body or how that may have occurred in any of the ten canon books or any interview with J.K. Rowling I've ever read.