Hayato Fujii is a Japanese voice actor affiliated with the agency 81 Produce. Born on March 14th in Kanagawa Prefecture, he has built a career primarily through supporting and guest roles in a wide array of anime television series and films since the mid-2010s.

Fujii's voice acting portfolio is extensive, with credits beginning to accumulate in 2015. Early roles include minor characters in major series such as a Jakumen in One-Punch Man, a medical helicopter pilot in Blood Blockade Battlefront, and a support member in Food Wars!. Throughout the late 2010s, he continued to appear in numerous productions, often lending his voice to soldiers, townspeople, officials, and other ensemble characters in shows like Boruto: Naruto Next Generations, Fate/Grand Order - Absolute Demonic Front: Babylonia, and Fruits Basket. This pattern of versatile supporting work has continued into the 2020s, with roles in Chainsaw Man, Jujutsu Kaisen 0, and many others.

In addition to his extensive anime work, Fujii has taken on roles in various other media. He voiced the character D.C. in the 2017 Japanese CGI film Resident Evil: Vendetta. He is also part of the Japanese cast for the animated film Mutafukaz. His role as Archie Joyce is in the original net animation AMAIM: Warrior at the Borderline UltraSteel Ogre-Gear, part of the Sunrise Beyond mecha series. Fujii's work extends to video game and dubbed foreign productions as well. Notable video game roles include Middle Flatwell in Armored Core VI: Fires of Rubicon and William Tell in Fate/Grand Order. For Japanese dubs of foreign media, he has voiced Gary in the film Zootopia, Gabriel Agreste in Miraculous Ladybug, and Hordak in She-Ra and the Princesses of Power.