Kazumasa Nakamura is a Japanese voice actor, actor, and narrator born on February 27, 1975, in Saitama Prefecture, Japan. He is affiliated with the talent agency Remax and has been active in the entertainment industry since the 2000s. His career encompasses a wide range of work, including voice roles in television anime, animated films, video games, and dubbing for foreign movies and series, as well as narration and stage performances.

Nakamura's anime voice acting portfolio is extensive, featuring a variety of supporting and recurring characters across numerous series. His filmography includes roles such as Gobuichi in That Time I Got Reincarnated as a Slime and its spin-off The Slime Diaries, a history teacher in Aharen-san wa Hakarenai, a boss character in Call of the Night, and a scammer in Tengoku Daimakyo. He also voiced a pilot in 86 EIGHTY-SIX, a merchant in Mushoku Tensei: Jobless Reincarnation, a noble in How a Realist Hero Rebuilt the Kingdom, and a player in Sword Art Online Alternative: Gun Gale Online. His work extends to animated films as well, with credits including Holly's Dad in Altered Carbon: Resleeved and an Enforcement Knight in Fate/Grand Order the Movie: Divine Realm of the Round Table: Camelot Wandering; Agateram. Other notable anime he has been part of include Your Lie in April, the Symphogear series, Megalo Box, Laid-Back Camp, and Food Wars.

In addition to anime, Nakamura is active in the video game industry. His video game credits include roles in major titles such as Yakuza: Like a Dragon, Puyo Puyo!! Quest, Shadowverse, Armored Core VI, and Dragon Quest X. He also contributes his voice to the Japanese-language dubs of international films and television series, with credits including Ant-Man and the Wasp: Quantumania, Joker, Jurassic World, Loki, and Ms. Marvel. Beyond voice work, he has demonstrated his range as a performer in stage productions like People at Shirakawa-so and No Title.

Known for his versatility, Nakamura often voices multiple characters within a single production and is also frequently sought after for narration roles across TV programs and commercials. He stands 175 cm tall and has Type O blood. Outside of his professional life, his hobbies include mountain climbing and running marathons, and he lists tennis and fishing as special skills.