Fernando Mateo was a voice actor based in Madrid, Spain, whose career was primarily active in the dubbing industry for anime and animated series intended for the Spanish market. His work is associated with productions from the 1980s and 1990s, a period when many classic anime series were being localized for Spanish television audiences. He is best known for bringing several distinct characters to life in the Spanish dub versions of these shows.

One of Fernando Mateo's most recognized voice roles is Capitan Dyce in the Spanish dub of the acclaimed post-apocalyptic adventure series Future Boy Conan. Directed by Hayao Miyazaki, this series is a landmark in animation history, and Mateo's contribution as the voice of Captain Dyce represents a significant credit in his portfolio. Another prominent role he performed was Gran Doki in the Spanish dub of the historical fantasy anime Karasu Tengu Kabuto. This series, based on the manga by Buichi Terasawa, follows the battles of a holy ninja warrior, and Gran Doki is a notable antagonist in the narrative.

Beyond these prominent roles, his voice acting credits encompass a wide range of supporting and character roles in many other well-known anime series dubbed in Spain. His filmography includes roles such as Flip in Maya the Bee, Doctor Boro in Ahiru no Quack, and Miguel in A Dog of Flanders. He also provided voices for series like Captain Tsubasa, Sherlock Hound, Lupin III: Part III, and Adventures of Little El Cid. In addition to his voice work in front of the microphone, Mateo also took on behind-the-scenes responsibilities, serving as a dubbing director for the Spanish version of Maya the Bee.

Regarding professional collaborations, records indicate that he worked alongside voice actress Maripé Castro, who performed the role of Yasmin in Karasu Tengu Kabuto. In that same production, Fernando Mateo provided the voice for Gran Doki. Fernando Mateo passed away on October 26, 2014.