Kazuki Furuta is a Japanese voice actor and actor born on November 29, 1995, in Tokyo, Japan. He is affiliated with the talent agency Voice Kit, having moved there from Mausu Promotion in early 2025. He stands 168 cm tall and has blood type A. Furuta graduated from the musical course at Senzoku Gakuen College of Music in March 2018.

His career began in 2011 on the stage, with a significant early role being the lead character Echizen Ryoma in the musical The Prince of Tennis The Musical 3rd Season from 2015 to 2016. He was inspired to transition into voice acting in 2017 after working with and hearing the voice actress Ayahi Takagaki perform a reading during a joint musical production. He formally joined Mausu Promotion in September 2017 to pursue this new path.

Furuta's voice acting portfolio includes a range of roles in anime, games, and dubbing. He has become particularly associated with the Yu-Gi-Oh! franchise, voicing the character Roa Kirishima in Yu-Gi-Oh! Sevens in 2020 and later his relative, London Kirishima, in the sequel series Yu-Gi-Oh! Go Rush!! in 2022. He also voiced Ryu Nagumo in the mixed-media project Futsal Boys!!!!! in 2022. Other notable anime roles include Richie in Carole & Tuesday and the director in Lost in 2019. In the realm of video games, he is known for voicing Kalim Al-Asim in the popular Disney Twisted-Wonderland, a role he has played since 2020. He also voices characters in games like REALIVE! ~The Divine Dance Music Squad~ and Wind Boys.

Beyond his individual roles, Furuta has engaged in collaborative projects. In July 2019, he formed a voice actor unit called SHALL WE BLACK OUT? with Ryo Arai, Kazuki Urara, and Hitoshi Horinouchi. His background in musical theater contributes to his performance skills; he is proficient in multiple dance styles including hip-hop, jazz, and tap, and also plays the koto, a traditional Japanese stringed instrument. He holds a second-degree black belt in Wado-ryu karate. Furuta has been a fan of the Yu-Gi-Oh! franchise since childhood, making his casting in the series a particularly meaningful achievement for him.