Diego Muras is a Brazilian actor, voice actor, and narrator known for his work in dubbing foreign productions, particularly anime and live-action series, into Portuguese. He is active in the dubbing industry and has lent his voice to a variety of characters in popular anime titles.

One of his notable roles is providing the Brazilian Portuguese voice for Akio Tademaru in the anime series Kemono Jihen. His other significant work in anime includes voicing Shinya Hīragi in Seraph of the End and its sequel, Seraph of the End: Battle in Nagoya. He also performed roles in the Fairy Tail series, where he voiced the characters Warren Rocko and Bora in re-recordings. In Noragami and Noragami Aragoto, Muras voiced the character Utami, in addition to other roles. His credits further include the character Boan in Ranking of Kings and a role in My Hero Academia's sixth season.

Beyond anime, Muras has contributed to other areas of voice work. He voiced Steel Silva, the Ranger Prata Fera Bot, in the Brazilian version of the live-action series Power Rangers: Morfagem Feroz. His work also extends to audiobook narration for Audible Studios, where he has narrated Portuguese-language versions of works such as Amyr Klink's Não Há Tempo a Perder and Álvares de Azevedo's Noite na Taverna. He is also credited with providing voices for additional characters in the series Gangs of London and This Is Going to Hurt.