Maurizio Fiorentini is an Italian voice actor and dialogist, recognized for his extensive work in dubbing foreign productions into Italian, particularly in animation and anime. He is the son of the notable Italian actor and voice actor Sergio Fiorentini. Fiorentini's career in performance began with formal training in the mid-1980s, including courses at the La Scaletta Theatre School and the Teatro Centrale di Roma, followed by numerous stage roles.

Fiorentini has lent his voice to a wide array of characters in popular anime series. In the series Glitter Force, he is the voice of the character Ulric. He is also the Italian voice of the Decepticon Thundercracker in the Transformers: Cybertron animated series. His other notable anime roles include the villainous Renkotsu in the long-running series Inuyasha, Inaba in the historical drama Ōoku: The Inner Chambers, and Pastor Nick in the acclaimed series Attack on Titan and its sequel. He has also voiced Tenshinhan in the Dragon Ball Z films Battle of Gods and Resurrection F, and taken on roles in series such as The Ancient Magus' Bride, Appare-Ranman!, and Trigun.

Beyond anime, Fiorentini's voice is widely recognized in Italian dubbing for a variety of animated programs and films. He is the voice of characters such as Mayor Humdinger in the popular children's series Paw Patrol, Ralf in Ed, Edd & Eddy, and Database and the Hedonismbot in The Simpsons and Futurama. His work also extends to dubbing live-action films, where he has provided the Italian voice for actors including Jude Law, Til Schweiger in Inglourious Basterds, and musician Chester Bennington in Saw 3D.

In addition to his on-screen voice work, Fiorentini is active as a dialogist, contributing to the Italian adaptations of series such as Pretty Cure, Steins;Gate 0, and Idaten Jump. He has also voiced characters in video games, including Matsumoto in UFO Robot Goldrake: Il Banchetto dei Lupi.