Robb Moreira is an American voice actor known for his work in anime dubbing, animation, and video games. He is a bilingual performer, speaking both English and Spanish, which has been a significant aspect of his career. Moreira began his acting training at the age of twelve and is a graduate of the Fiorello H. LaGuardia High School of Music & Art and Performing Arts, also known as the Fame School of the Arts, and the American Academy of Dramatic Arts in New York City. Before transitioning to voiceover, he spent over a decade in theater, performing in several Off-Broadway productions.

His entry into voice acting was initially in the commercial sector, where he has accumulated thousands of credits for major brands such as McDonald's, AT&T, and Giorgio Armani. This extensive commercial work provided a foundation that led to opportunities in animation and video games. His first role in the combined realm of gaming and anime was providing the voice for Bronk Stone in the mobile game Yu-Gi-Oh! Duel Links. He has also voiced characters in numerous audiobook productions.

In anime, Moreira has landed several prominent roles. He voiced Yuki Koreeda in the rugby series number24. He was also the voice of Sakunosuke Oda in the series Bungo and Alchemist - Gears of Judgement-. His breakout role came when he was cast as Yukimaru, the stoic and protective katana-wielding bodyguard, in the Adult Swim and Crunchyroll original series Fena: Pirate Princess, a role he has stated he holds very dear. His other anime credits include roles in Pokémon Journeys: The Series, Yu-Gi-Oh! SEVENS, and Legend of the Galactic Heroes: Die Neue These.

Beyond anime, Moreira's voice can be heard in a variety of other media. He has voiced characters in video games, most notably Mika in the popular title Genshin Impact. His filmography also includes dubbing work for live-action series and films, and he has provided additional voices for animated shows like Daniel Tiger's Neighborhood. He voiced the character JB in the animated film Finnick. As a successful Latino voice actor of Dominican and Argentinian descent, Moreira has spoken about the importance of representation in the industry.