Julio Rincón is a retired Spanish voice actor known for a deep vocal register. His professional career in dubbing includes work on both animated series and live-action productions, though he is primarily recognized in the anime community for two specific roles from the mid-2000s.

In the anime series Nintama Rantarō, known in Spanish as Rantaro, el ninja boy, Rincón provided the voice for the character Yamada Denzou. This long-running comedy series about young ninjas in training represents one of his key animated voice credits. He is also known for voicing Issha Fat Buccha Mihotoke in the series Air Gear, a role he performed in the Spanish dubbing production released in 2009. Air Gear, based on the manga by Oh! Great, follows street gangs engaged in high-tech rollerblading battles, and Buccha is a prominent member of the Kogarasumaru team.

Beyond these anime roles, the majority of Rincón's dubbing work consisted of voice roles for films and other television series, where he lent his voice to a variety of supporting and character roles. His professional status is listed as retired, indicating he is no longer active in the voice acting industry. No information is available regarding specific collaborations or major industry achievements beyond his credited performances.