Christophe Seugnet is a French voice actor primarily known for his extensive work in the dubbing of Japanese anime series and films into French. His career encompasses a wide range of characters, from leading roles in major franchises to supporting parts in numerous other productions.

He is perhaps most recognized for his portrayal of iconic characters in two of the most popular anime series of the last decade. Seugnet voices Erwin Smith, the resolute and strategic commander of the Survey Corps, in the French version of the global phenomenon Attack on Titan, a role he has reprised across the main television series and several compilation films. Concurrently, he has a significant presence in the My Hero Academia franchise, where he voices multiple characters. Most prominently, he is the voice of Tenya Iida, the class representative of Class 1-A, in the main television series and the films My Hero Academia: Two Heroes and My Hero Academia the Movie -Heroes: Rising-. He also lends his voice to the pro-hero and former sidekick Sir Nighteye and the cowboy-hat-wearing hero Snipe in the same series.

Beyond these headline roles, Seugnet's filmography demonstrates considerable versatility across various genres and series. He voices Lev Aldrecht in the mecha series 86, Professeur Manabu in the psychological thriller Tomodachi Game, and Shingo Maezawa in the fantasy series Dragon Pilot: Hisone and Masotan. He is also the voice of Atli in Vinland Saga, Yoshiaki Satomi in Concrete Revolutio: The Last Song, Konro Sagamiya in Fire Force, and Jack in the Ultraman ONA. His work extends to long-running and classic series as well; he voices Junpei Hyuga in Kuroko's Basketball and its film Last Game, Chikage Kazama in the Hakuoki films, and has multiple roles in franchises such as Bleach, Hunter × Hunter, and Assassination Classroom. He also played Sebastian in the One Piece special 3D2Y and Goth in the film After School Midnighters. In more recent productions, he can be heard as Farman Cregos in Mashle: Magic and Muscles and has a role in the 2025 series Sakamoto Days.