Daniel 1:7

1:7 But the overseer of the court officials renamed them. He gave Daniel the name Belteshazzar, Hananiah he named Shadrach, Mishael he named Meshach, and Azariah he named Abednego.

Daniel 4:8

4:8 Later Daniel entered (whose name is Belteshazzar after the name of my god, and in whom there is a spirit of the holy gods). I recounted the dream for him as well,

Daniel 5:12

5:12 Thus there was found in this man Daniel, whom the king renamed Belteshazzar, an extraordinary spirit, knowledge, and skill to interpret dreams, solve riddles, and decipher knotty problems. Now summon Daniel, and he will disclose the interpretation.”