José Ramón Argoitia is a Mexican voice actor recognized for his extensive work in the dubbing industry, particularly during the golden age of anime localization in Latin America. He is best known for providing the Spanish voice for characters in several iconic series that were broadcast throughout the region.

His career is primarily associated with the dubbing studios in Mexico, where he contributed to making many Japanese anime series accessible to Spanish-speaking audiences. One of his most prominent and frequently cited roles is that of Diablo, also known as Rajura, one of the five formidable Mashō warriors in the popular series Legendary Armor Samurai Troopers, known in Spanish as Samurai Warriors. This character is part of the Arago Army and serves as a primary antagonist to the main characters, making Argoitia's performance a memorable part of the show for its fans.

Another significant role in his filmography is Gepetto, the kindly woodcarver and father figure to the puppet, in the anime adaptation The Adventures of Pinocchio. This role showcased his ability to portray warm, paternal characters, demonstrating a range that extended beyond the villainous archetypes he often played.

Throughout his career, Argoitia's work has been characterized by his participation in classic dubs from the 1980s and 1990s. He frequently collaborated with a stable of other renowned Mexican voice actors, contributing to the cohesive and beloved sound of anime dubs from that era. His roles often involved lending his voice to antagonists, mentors, or secondary characters, solidifying his place as a familiar and respected presence in the industry. His contributions are remembered by generations of viewers who grew up watching these series.