Jonathan Guedes is a Brazilian voice actor known for his work in the dubbing of anime series and films for the Portuguese-language market in Brazil. He was born on October 31, 1983, in São Bernardo do Campo, a city in the state of São Paulo.

Guedes has built an extensive career with a wide range of voice roles, demonstrating considerable versatility. One of his most prominent and long-standing associations is with the Beyblade franchise, where he has served as the narrator for multiple series, including Beyblade Burst, Beyblade Burst God, Beyblade Burst Turbo, Beyblade Burst GT, and Beyblade Burst Sparking.

His repertoire includes many significant and recurring characters in popular anime. He voices Ruijerd Superdia in the isekai series Mushoku Tensei: Jobless Reincarnation. In the action-packed Baki franchise, he is the voice of the formidable Yujiro Hanma, a role he has performed in both the Baki and Baki Hanma series. He also lends his voice to the iconic fighting game character Guile in the Hi Score Girl anime and its sequel, Hi Score Girl II.

Guedes has also taken on antagonist roles, such as Vassago Cassals, also known as PoH, in the Sword Art Online: Alicization arc and its subsequent War of Underworld installments. He voiced Shinji Yoshimatsu in the original series Lycoris Recoil and played the role of Takeo Chijiwa in the film The Princess and the Pilot. His other notable credits include roles in Fate/Apocrypha as Caster Negro, Fate/Extra Last Encore as Li Shuwen, Children of the Whales as Ganva, and the Castlevania ONA as Blue Fangs. This extensive body of work establishes Jonathan Guedes as a prominent and active figure in Brazilian anime dubbing.