Kengo Takanashi is a Japanese voice actor born on June 12, 1986, in Tokyo, Japan. He is affiliated with the talent agency Arts Vision. His journey into voice acting began during his adolescence when he developed an interest in performance while creating amateur video games with friends, leading him to enroll in the Japan Narration Acting Institute. He balanced his studies with part-time work before successfully auditioning for his agency and launching his professional career.

Takanashi's early work consisted primarily of dubbing foreign films and television series, as well as minor roles in anime. His first major anime role came in 2018 when he was cast as Haruto Amō in Seven Senses of the Reunion. This was followed by a steady stream of notable supporting and lead characters. In the popular franchise That Time I Got Reincarnated as a Slime, he voices the character Kaval, appearing in both the main series and its spin-off, The Slime Diaries. His diverse filmography includes the role of Fujita in the dark fantasy Dorohedoro, Shogo Itaya in the music drama Given, Sō Hachiya in STARMYU, Akai in Play It Cool, Guys, Akiya Shirakawa in Kageki Shojo!!, and Yasunori in Daily Lives of High School Boys. More recently, he has taken on leading roles such as Murai in Murai in Love and Kazuki in The Wrong Way to Use Healing Magic.

Beyond anime, Takanashi has achieved significant recognition in the video game industry. His most prominent role is providing the Japanese voice for the protagonist Link in several installments of the acclaimed The Legend of Zelda series, including Breath of the Wild, Tears of the Kingdom, and Hyrule Warriors: Age of Calamity. His other notable game credits include Emanellen in Final Fantasy XIV, Wataru Frazer in Scarlet Nexus, Nelson in The King of Fighters XIV, and Yamabushi Chogi in Touken Ranbu.

Takanashi is also active in dubbing foreign content, serving as the regular Japanese voice for American actor Ross Lynch in projects like Austin & Ally and the Teen Beach Movie films, as well as dubbing for actors such as Lee Jong-suk. He has also contributed to audio guides for films and narration for planetarium shows. In addition to his voice work, he has performed character songs for series like STARMYU and the game Boyfriend (Kari). He married fellow voice actress Yurie Ariga in 2022.