Fritz Gianvito is a voice actor known for his work in Brazilian Portuguese dubs of anime series and films. His career is primarily associated with the Mastersound dubbing studio, particularly during the early 2000s. He is recognized for providing voices for characters in several notable anime titles.

One of his prominent roles was as the voice of Maximilian Jenius in a dubbing of the 1984 anime film The Super Dimension Fortress Macross: Do You Remember Love? This specific version of the film was produced by the Mastersound studio and aired on cable television in 2000. He later reprised the role of Maximilian Jenius for a planned dubbing of the Macross 7 series, maintaining continuity with the character's voice from the film.

Gianvito also voiced the character Inspector Meloris in the anime series Birdy the Mighty. This dubbing was also carried out at the Mastersound studio, with direction by Élcio Sodré, and was broadcast on the Locomotion channel. His work on this series also included providing additional voices for minor characters.

Furthermore, he was part of the voice cast for the anime series Speed Grapher. While the specific character he voiced in this series is not detailed in available records, his participation confirms his continued activity in the field of anime dubbing. Another role credited to him is the character Naga in the series Bakugan Battle Brawlers.