Naoki Imamura is a Japanese voice actor born on July 9, 1973, in Saitama Prefecture. He is a graduate of the Aoni Juku Tokyo School and is affiliated with the talent management firm Aoni Production. His career began in 1998 with a role in the television anime series Mamotte Shugogetten.

Imamura's body of work is extensive, characterized by a large number of supporting and minor roles across various genres, encompassing heroes, villains, and comedic characters. His credits include appearances in long-running and popular series such as Sonic X, where he voiced Tanaka and other characters, and Detective Conan, in which he played roles like a detective and a bus driver. He also had a role in the anime Code Geass: Lelouch of the Rebellion. In the realm of video games, Imamura has contributed to major franchises, including the Metal Gear Solid series as the soldier Johnny Sasaki and the Dragon Ball Z: Sparking! games as the character Kui. His work extends to tokusatsu productions as well, providing voices for various monster characters in the Super Sentai series, such as in Hyakujuu Sentai Gaoranger and Engine Sentai Go-onger.

A notable aspect of Imamura's career is his involvement in the Gundam franchise. He has voiced characters in several installments, including Takao Schreiber in Mobile Suit Gundam SEED Destiny and Royora in the OVA Mobile Suit Gundam SEED C.E. 73: Stargazer. He is also recognized for taking over ongoing voice roles as a tribute to deceased colleagues. Following the passing of voice actor Koji Totani, Imamura voiced the character Kui in his honor. Similarly, he succeeded Daisuke Gori as the narrator for the television program Beat Takeshi no TV Tackle.

In 2004, Imamura took on a leading role as the titular character in the historical OVA Hijikata Toshizo: Shiro no Kiseki. This biographical anime tells the story of Hijikata Toshizo, the deputy commander of the Shinsengumi, during the Meiji Revolution. Multiple sources confirm Imamura's portrayal of Hijikata Toshizo in this production.