Thiago Barione is a Brazilian voice actor known for his work in the dubbing of anime series and animated programs for the Brazilian Portuguese market. He was born in São Paulo in 1983 and is the brother of fellow voice actor Rafael Barioni. Information about the start and end dates of his career is not definitive, with some sources indicating his professional activity concluded in the 2000s.

Barione's most recognized voice roles are in popular anime franchises. He provided the Brazilian Portuguese voice for the character Dan Kuzou in the anime series Bakugan Battle Brawlers and its subsequent seasons, including Bakugan: New Vestroia and Bakugan: Gundalian Invaders. He is also known for voicing the character Dende in the Brazilian dubs of the anime series Dragon Ball Z and Dragon Ball GT. Another significant role was voicing Theodore J. "T.J." Detweiler in the animated series Recess and its related film. In the Pokémon anime, he voiced the character Gary Oak in a single episode (AG191).