José Núñez is a voice actor known for his work in the Spanish dubbing of anime series and films. His career is primarily documented through his extensive roster of roles for Spanish-language adaptations, with his work on the long-running series Saint Seiya standing as a significant part of his professional profile.

Núñez has been associated with multiple characters across the various Saint Seiya installments. In the original Saint Seiya television series, he provided voices for several characters, including Dragon Shiryu, Hyoga de Cisne, Jabu de Unicornio, and Shun de Andromeda. He continued his association with the franchise by voicing Dragon Shiryu in the films Saint Seiya: Legend of Crimson Youth and Saint Seiya: Legend of Sanctuary, as well as in the Netflix original series Knights of the Zodiac: Saint Seiya.

Beyond this flagship series, Núñez's voice work encompasses a wide variety of anime. His credits include the role of Keroberos in the Spanish dub of Cardcaptor Sakura: Clear Card, Wanze in One Piece, and Yaku in Dorohedoro. He also contributed to the Spanish version of Neon Genesis Evangelion for its Netflix release and voiced the character Zorro in the second season of Vinland Saga on Crunchyroll. In the adult OAV series New Angel, he is credited with the role of Yamada in the fifth episode. His other notable roles include Gale Geha in Bobobo-bo Bo-bobo, Todaiji in Kamikaze Kaito Jeanne, and various characters in Digimon Fusion and MegaMan NT Warrior.