Sonia Petit is a French voice actor born in 1993, known for her work in the dubbing of anime series and other audiovisual media. Her passion for animation and Japanese series from a young age led her to pursue a career in voice acting. Following her studies, she trained in theater and singing before specializing in the field of voice-over and dubbing through numerous workshops. Her natural vocal timbre is particularly well-suited to portraying young characters, ranging from childhood to adolescence.

Petit began her career in fiction dubbing in 2015 with a role in the film The Jessica Fuller Affair. In the realm of anime, she is recognized for several key roles. She voices Honoka Sawada in the series Horimiya. In the anime Kakegurui, she plays the character Erimi Mushibami across the series. Petit is also the voice of P-chan in Sword Art Online Alternative: Gun Gale Online and portrays Syr Flover in the first season of DanMachi.

Beyond anime, her voice work spans a variety of projects. This includes the French animated series Disco Dragon, the children's educational program APIKids, and audio adaptations of comic books such as Carthago, Peter Pan by Loisel, and Harmony. Her experience also extends to live-action productions, including the Turkish series Woman and the American series The Resident, as well as the animated short film The Serpent Prince, where she played the role of Tahirih.