Joaquin Munoz is a voice actor known for his work in Spanish-language dubs of various anime series and films, particularly those produced for broadcast in Spain. His career is primarily documented through his casting in numerous titles during the era when anime was being localized for Spanish audiences.

He is most recognized for voicing titular and leading characters in several classic anime productions. One of his prominent roles was providing the voice for the giant hero Ultraman Jonias in the Spanish dub of the 1979 television series The Ultraman. He also took on the lead role of Genji Hakuryu in the original video animation Goku: Midnight Eye. In addition to these heroic parts, his repertoire included villainous characters, such as Gangar in the series Astroganger. Another notable credit is the character Ganpachi Chabane in the 1988 original video animation Ultimate Teacher.

Beyond these specific roles, Munoz's voice work spanned a variety of other anime titles. He served as the narrator for several dubs, including the space opera Space Pirate Captain Harlock, the science fiction special Andromeda Stories, and the adventure series Umi no Triton. His other credits include participating in the Spanish dubs of Area 88, Dallos, Manga Sarutobi Sasuke, and Mazinger Z. His body of work reflects the broader landscape of anime localization in Spain, contributing to the introduction of these stories to a new audience.