Federico Viola is an Italian voice actor born in Milan on August 16, 1989. His passion for dubbing was sparked in childhood by watching anime and playing video games, particularly noticing the difference in quality between well-dubbed and poorly-dubbed titles. He studied theater from a young age and later focused on diction and acting, initially in Milan and then in Rome, where he moved in 2012 to pursue his career.

Viola is widely recognized for his extensive work in anime, providing the Italian voice for numerous prominent characters. Among his most iconic roles is Katsuki Bakugo in the long-running series My Hero Academia and its related films, a character he has voiced across multiple seasons and movies. He also voices Ryunosuke Tanaka in Haikyu!! and its sequels, Gen Asagiri in Dr. Stone, and the protagonist Goblin Slayer in Goblin Slayer and its film Goblin's Crown. His repertoire further includes Naofumi Iwatani in The Rising of The Shield Hero, Vulcan Joseph in Fire Force, and Jinn in Edens Zero. In the film Jujutsu Kaisen 0, he voices the role of Larue.

Viola has also taken on leading roles in several high-profile anime films and adaptations. He is the voice of Shirou Emiya in the Fate/stay night: Heaven's Feel film trilogy and Haruo Sakaki in the Godzilla anime film trilogy. He voices the titular character in Mobile Suit Gundam Hathaway, Ken Ichijoji in Digimon Adventure: Last Evolution Kizuna, and Blue in the special Pokémon Origins. His voice can also be heard as Arikoto in the series Ōoku: The Inner Chambers. Other notable anime credits include the role of Red Blood Cell in Cells at Work! Code Black, Karma Akabane in Assassination Classroom, and Makoto Midorikawa in Ingress.

Beyond animation, Viola's career spans live-action film and television, as well as video games. He has dubbed actors such as Simu Liu in Shang-Chi and the Legend of the Ten Rings, Tom Holland in Edison, and Ben Hardy in Bohemian Rhapsody. In the gaming world, he is known for voicing major protagonists like V in Cyberpunk 2077 and the male version of Eivor in Assassin's Creed Valhalla. His talent has been recognized with the Andrea Quartana Award for young voice actors, which he received at the Romics Gran Galà del Doppiaggio in 2023.