Wallace Raj is a Brazilian voice actor, ADR director, and translator known for his extensive work in the dubbing of anime and other animated series for the Brazilian Portuguese market. He is also credited professionally under the name Wallace Costa.

Raj's career encompasses a wide range of significant roles in major anime franchises. He is recognized for voicing Leorio Paradinight in the 2011 version of Hunter x Hunter. He also took on the role of Yasutora Sado, known as Chad, in the later episodes of the original Bleach series and its sequel, Bleach: Thousand Year Blood War. His other prominent anime credits include Onyankopon in Attack on Titan The Final Season, Omoi in Naruto Shippūden, Secco in JoJo's Bizarre Adventure: Golden Wind, and Pod 042 in NieR:Automata Ver 1.1a.

He has also been involved in the dubbing of popular long-running series, providing voices in Pokémon and Digimon Fusion. In film, his work includes voicing adult Hidetoshi Dekisugi in the Stand By Me Doraemon films.

Beyond anime, Wallace Raj's voice can be heard in various western animations and live-action series. He provided voices for the Brazilian Portuguese versions of shows like Family Guy and American Dad!, and films such as Supervillains.

In addition to his on-screen roles, Wallace Raj holds a significant position behind the scenes in the dubbing industry. He has frequently served as an ADR director on numerous projects, including the very series in which he also voices characters. His directing credits include work on B: The Beginning, the Yo-kai Watch series, Bleach, and Hunter x Hunter. He also contributed as an ADR script writer and casting director for B: The Beginning.