Reynaldo Buzzoni is a Brazilian voice actor whose full name is Reynaldo Buzzoni de Oliveira Neto. He was born in Rio de Janeiro on January 16, 1974, and began his voice acting career at the age of thirteen after being discovered by Herbert Richers, a prominent figure in Brazilian dubbing. Buzzoni is widely recognized in Brazil as the regular voice for actor Keanu Reeves, dubbing him in major film franchises such as Matrix, Constantine, and John Wick. His other notable film dubbing roles include Paul Walker in the Fast & Furious series, Orlando Bloom in Kingdom of Heaven, and Eddie Kaye Thomas in American Pie.

In the realm of animation and related media, Buzzoni provided the Brazilian Portuguese voice for the title character in the anime series Peter Pan & Wendy, which aired in 1989. He also voiced the character Neo in the English-language animated short film Kid's Story, part of The Animatrix series. He further dubbed the voice of Daniel LaRusso in the 1989 film The Karate Kid and the character Waltinho on the Brazilian television program TV Colosso.

Buzzoni was involved in the production of the 2024 film Sonic the Hedgehog 3. He was initially announced as the voice of the character Shadow for the Brazilian Portuguese dub of the film, with his performance appearing in the first official trailer released to the public. However, following a campaign from fans who requested the return of a previous voice actor for the role, the production studio Paramount Pictures Brasil recast the part. Buzzoni was replaced by Reginaldo Primo for the final version of the film. He is also credited with dubbing live-action roles for Portuguese audiences, including the character Rufio in the Herbert Richers dubbing of the 1991 film Hook. During his career, he has worked in voice direction and talent selection, including choosing the Brazilian voice actor for George Clooney in the series ER.