Abraham Castillo is a Mexican voice actor and dubbing actor known for his work in the Spanish-language adaptations of anime series and other animated content.

Castillo has been involved in the dubbing of several notable anime series. In the anime Dragon Goes House-Hunting, he provided the Spanish voice for the character Huey. His other prominent roles in anime include voicing Goblin Slayer in Goblin Slayer, Take Hirako in both Tokyo Ghoul and Tokyo Ghoul: re, as well as Michitaka Sakai in Kono Oto Tomare!: Sounds of Life and Fuyuki Yamamoto in Odd Taxi. He has also taken on roles in series such as Overlord, Assassination Classroom, Shadows House, and Fuuto Pi, among others. In addition to series, his work extends to anime films, where he voiced Itsuki Otomo in Psycho-Pass: Sinners of the System and contributed additional voices for a 2019 version of Akira.

Beyond anime, Castillo's career encompasses a wide array of dubbing work for live-action productions, including television series, telenovelas, and films.