Emmanuel Rivas is a Mexican voice actor known for his work in the Spanish dubbing of anime series for the Latin American market. His performances are primarily associated with productions that were dubbed in Mexico during the late 1990s and early 2000s.

Rivas is recognized for his portrayal of several key characters in anime of that era. He voiced the character Mau Sakisaka in the 1998 OVA series Virgin Fleet. This three-episode series was broadcast in Latin America by the Locomotion channel in the year 2000, with its Spanish dub produced in Mexico. He is also credited with the role of Sanpei Nowake in the 1991 OVA adaptation of Sukeban Deka, which similarly aired on Locomotion around the year 2000 with a Mexican dub. Among his most prominent roles is Punma, the cyborg 008, in the television series Cyborg 009 The Cyborg Soldier.

His broader career in anime voice work includes a variety of characters across different series. According to dubbing credits, his roles include Leonardo Cardinale and Thomas O'Brian in Ashita no Nadja, Shin in an episode of Cowboy Bebop, and Akito Tenkawa in the film Martian Successor Nadesico: The Motion Picture - Prince of Darkness. He also contributed to the Digimon franchise, voicing the villains Puppetmon and Wizardmon in Digimon Adventure, and took on parts in series such as Agent Aika, Hamtaro, and Pilot Candidate. His work also extends to the Sailor Moon series, where he provided voices for Zafiro in Sailor Moon R and minor characters in Sailor Moon SuperS.