Kosuke Hatakeyama is a Japanese actor and voice actor from Tokyo, born on January 10, 1997. He began his career with a background in child acting and trained at the Sun Music Academy before affiliating with talent agencies such as Sun Music Production and later HoriPro and HoriPro International. In late 2024, he announced his departure from HoriPro International.

Hatakeyama made his voice acting debut in 2011 with the lead role of Shuichi Nitori in the television anime series Wandering Son. This initial performance immediately placed him in a sensitive and central character role. He continued to build his career with a variety of characters in notable anime productions. He voiced Ginkaku in the 2013 series The Eccentric Family and later reprised this role for its second season, The Eccentric Family 2, in 2017. His other anime credits include Rajkumar Nair in Eureka Seven AO, Bee in Space Dandy, and roles in Boruto: Naruto Next Generations, Dance Dance Danseur, and Sound! Euphonium 3.

Beyond television anime, Hatakeyama has lent his voice to characters in video games, such as the protagonist in Yu-Gi-Oh! Rush Duel: Saikyo Battle Royale and in titles like Megido 72 and Monster Strike. His work also encompasses dubbing for foreign films and television dramas. Notably, he provided the Japanese voice for Jordan Kent in the drama Superman & Lois and for characters in films such as Calamity and Mune: Guardian of the Moon. His versatility extends to stage performances, including an appearance in the theatrical production 3-Gatsu Melancholy. Throughout his career, Hatakeyama has demonstrated a capacity for energetic and versatile performances across a wide range of media.