Yūji Kameyama is a Japanese voice actor born on September 19, 1985, in Shizuoka Prefecture, Japan. He is affiliated with the talent agency WITH LINE, having previously been associated with Media Force. He is known for providing voices for a wide range of supporting characters in anime television series and video games.

Kameyama's career includes a variety of roles, often voicing side characters, monsters, and townspeople. A notable recurring collaboration is with the anime production studio P.A. Works, for which he voiced the character Ishimaru in the 2024 television anime adaptation of the video game Sakuna: Of Rice and Ruin. His role as Ishimaru is one of his more prominent credits, as he reprised the character from the original game's cast.

Another significant role is in the multimedia franchise A3!, where he voices two characters: Tetsuro Iwai and Julian Yamashita, in both the anime series and related projects. His work in 2024 also included the role of Kuma Kaijin, or Bear Monster, in the Acro Trip television anime.

Beyond these credits, Kameyama has built an extensive filmography of supporting performances. Examples from recent years include Noriyuki Kurashiki in My Clueless First Friend in 2023, Zerth and Gouda in Good Bye, Dragon Life in 2024, and multiple minor roles in series such as Aharen-san wa Hakarenai and Jujutsu Kaisen. His work demonstrates a consistent presence in the anime industry, contributing to a wide array of projects in a supporting capacity.