José Maria Alarcon was a Spanish voice actor known for his work in dubbing foreign productions into Spanish. His professional status is listed as "En memoria," indicating that he is deceased. He possessed a very deep voice, described as "Muy Grave".

In the realm of anime, Alarcon is recognized for providing the Spanish voice for the character Mitsuru Kirita in the series Space Pirate Captain Harlock. He also voiced the character Boss in the anime series Nagagutsu Sanjūshi. Beyond anime, his work as a dubbing actor included providing the uncredited Spanish voice for actor Carlos Tristán in an episode of the Spanish television series La saga de los Rius. His dubbing career also encompassed a wide range of live-action film and television roles, lending his voice to actors such as Joss Ackland, Harry Andrews, and R. G. Armstrong in various productions during the 1970s and 1980s. In recognition of his work, he was awarded the Atril de Oro for best dubbing actor in cinema for television in Barcelona in 1988.