Kazunari Kojima is a Japanese voice actor born in Tokyo, Japan, on December 12, 1977. He is known to have A blood type and has been previously affiliated with the talent agency Toei Academy.

His career includes a variety of supporting and guest roles in anime series from the early 2000s. He is recognized for providing the voice of Brago, one of the primary demon characters, in the long-running series Zatch Bell. Another significant role was as Yasushi Asou in the historical drama series Zipang. In the Digimon franchise, he voiced multiple characters across different series, including Phantomon and Sorcerymon in Digimon Frontier, Goblimon in the film Digimon Savers The Movie: Kyuukyoku Power! Burst Mode Hatsudou!!, and Dynasmon in Digimon Savers. He also played Bianco in Ashita no Nadja and provided the voice of the Black Magician (Dark Magician) in Yu-Gi-Oh! Duel Monsters.

Additional anime roles include Tom Griffy in The Prince of Tennis, Wada in Capeta, Kuruman in Bobobo-bo Bo-bobo, Ivan Nirgius (Nilgis) in Get Ride! Amdriver, and Wolf no Nachi in the Saint Seiya: Meiou Hades Elysion Hen OVA series. He also performed minor roles and guest characters in several entries of the Pretty Cure franchise, such as Fresh Pretty Cure! and Yes! Pretty Cure 5.

In video games, his work includes voice roles for Jay Dagger in Spectacle Force Genesis, Sho Kisaragi in Yamiyo ni sasayaku - tantei sagara kyōichirō, as well as a role in Tales of Symphonia. His contributions to live-action dubbing include work on Andromeda 3 and Steel. He also performed character songs for Zatch Bell, including Hijou no Victory and Kuroi Sakebi.