Leonardo Graziano is an Italian voice actor, born in Capua on November 15, 1975. He is primarily known for his extensive work in dubbing foreign productions into Italian, working at dubbing studios in both Rome and Milan.

Graziano's career is distinguished by providing the Italian voice for several iconic anime characters. He is perhaps best known as the long-running voice of Naruto Uzumaki in the Italian-language adaptations of the Naruto and Naruto: Shippuden anime series and related films. Another significant role is that of Dan Kuso, the protagonist of the Bakugan Battle Brawlers franchise, which he voiced across multiple series. He also provided the Italian voice for Itsuki Koizumi in The Melancholy of Haruhi Suzumiya.

Beyond these prominent roles, his anime filmography is extensive and includes voicing Killua Zoldyck in Hunter × Hunter, Touta Matsuda in Death Note, Axel Blaze in Inazuma Eleven, and the young Franky in One Piece. He has also voiced characters in the Pretty Cure franchise, such as Coco/Kokoda in Yes! Precure 5 and Artemis in Sailor Moon Crystal. His work extends to dubbing characters in Western animation, including Beast Boy in Teen Titans and Helia in Winx Club.

In addition to his animation work, Graziano is widely recognized for his live-action dubbing, most notably as the long-standing Italian voice of Jim Parsons' character Sheldon Cooper in The Big Bang Theory and its spinoff, Young Sheldon.