Matheus Ribeiro, also known professionally as Matheus Azri, is a Brazilian voice actor and actor active in the dubbing industry. He has contributed voices to a range of anime series, providing both principal roles and additional voices.

In the anime Tokyo Ghoul and its sequel Tokyo Ghoul:re, Ribeiro voiced the character Jūzō Suzuya. He also voiced a younger version of the character Jean-Jacques Chastel in the series The Case Study of Vanitas. His other notable anime credits include the role of Black, also known as William Macbeth, in the series Blood Blockade Battlefront and its sequel Blood Blockade Battlefront & Beyond. He provided the voice for a young Bertholdt Hoover in the first season of Attack on Titan and voiced the character Bertie in Megalo Box 2: NOMAD. Earlier in his career, he took on the role of Ryoku in Soul Eater.

Beyond these principal roles, Ribeiro has contributed additional voices to several major anime productions. His work includes providing extra voices for long-running series such as My Hero Academia, Demon Slayer, Shadows House, and My Dress-Up Darling. In addition to his anime work, he has voiced the character Pierce Pocket in the Western animated series Polly Pocket and played the role of Lucas in the 2019 film Dirty Money.