Sonia Mazza is an Italian voice actor, born in Modena on April 22, 1972, who has been active in the dubbing industry since 1988. She works regularly at dubbing studios in both Turin and Milan.

Her extensive career encompasses a wide range of anime and animated series, providing the Italian voices for numerous characters. Among her most notable roles are Sonoko Suzuki in various films and episodes of the long-running series Detective Conan. She is also well-known as the voice of Mai Valentine in Yu-Gi-Oh!, Shizuru Kuwabara in Yu Yu Hakusho, and Kilari Tsukishima in Kilari. Her work in the Pokémon franchise includes being the first voice of Officer Jenny in the series and voicing Nurse Joy in the anime, specials, and the first movie. She also voiced Jasmine in Pokémon Master Quest.

Mazza's filmography includes a wide variety of other prominent roles. She voiced Carmen Ibanez in Starship Troopers: Invasion, Laura Haruna in the Tottoko Hamutarō films, and Eve Tokimatsuri across the Megazone 23 OVA series. Her other anime credits include Hun in Pocket Monster Crystal: Raikou Ikazuchi no Densetsu, Reina in Shin Kyūseishu Densetsu Hokuto no Ken: Raoh-den Junai no Shō, the titular Kekko Kamen in Kekko Kamen, Michiko Azuma in Harmagedon, Emi Hanner in The Irresponsible Captain Tylor, Mai in Igano Kabamaru, and Aramis in Anime Sanjushi: Aramis no Bōken. She also voiced Dorothy Catalonia in Mobile Suit Gundam Wing, Valese in Dragon Ball GT, and Eugenie Danglars in Gankutsuou: The Count of Monte Cristo.

Beyond anime, her voice is featured in numerous other animated productions. She voiced Littlefoot in six films from The Land Before Time series, Jenna in Balto: Wings of Adventure, and Madame Foster in Foster's Home for Imaginary Friends. She has also been the Italian voice for characters in live-action productions, such as Oboro in the film Shinobi: Heart Under Blade.

A recurring aspect of her career is her work dubbing telenovelas and soap operas, where she has been the regular Italian voice for actresses like Andrea del Boca and Ana Colchero in numerous productions. This extensive body of work across various genres establishes Sonia Mazza as a highly prolific and versatile figure in Italian dubbing.