Stefano De Filippis is an Italian voice actor and theater actor, born in Rome on April 7, 1986. He is the younger brother of fellow voice actor Alessio De Filippis. Beyond his vocal performance career, he studied lute and violin making at the Conservatorio di Santa Cecilia in Rome and is an expert in string instruments, studying violin and restoration.

His career encompasses a wide range of voice work in animation, film, and television. He is particularly active in dubbing for the Italian market, providing voices for characters in numerous anime series and films. In addition to his voice work, De Filippis has an extensive background in theater, both as an actor and director, with credits including productions of Shakespeare and contemporary works.

De Filippis has lent his voice to a variety of anime characters across different series and films. He voiced Masato in the OVA Mermaid's Scar and Tapu in the film Arashi no Yoru ni. He is the Italian voice of Mamoru Shimesu in the OVA Phantom Quest Corp. and portrayed Satoshi Mashiba in the critically acclaimed film A Silent Voice.

His other notable anime roles include Ryunosuke Natsume in All Purpose Cultural Cat Girl Nuku Nuku, Toma in Mahōjin Guru Guru, Katsuya in the new dub of Kimagure Orange Road, and Son Goten in several Dragon Ball Z films. He also voiced Paolo Bianchi in the Inazuma Eleven series and Kota Tomiie in Toradora!.

In addition to his work in Japanese anime, De Filippis has voiced characters in a wide array of Western animated series. These roles include Nick Birch in Big Mouth, Muscle Man in the second Italian dub of Regular Show, Adam Bolt / Fulmen in MeteoHeroes, and Ikor in Gormiti. His live-action dubbing credits are extensive as well, notably including Minho, played by Ki Hong Lee, in The Maze Runner film series.