Baron Yamazaki is a Japanese narrator, radio personality, and voice actor. He was born on August 5, 1971, in Ibaraki Prefecture, Japan. His real name and former stage name is Takeshi Yamazaki. He is a graduate of Ibaraki Christian University.

He is currently affiliated with Neverland Arts and Voicegarage through business partnerships, working mainly as a freelancer. Previously, he was associated with the talent agencies Flip Up and SO Promotion. His professional roles extend beyond voice acting to include narration, event emceeing, and radio personality work.

Yamazaki has built an extensive filmography in anime, often providing voices for supporting characters, narrators, and announcers.

His other notable anime voice roles are varied and span numerous popular series. He is credited with a role in the critically acclaimed film Your Name.. His television anime work includes roles in Space Dandy, Reborn!, Black Bullet, Penguindrum, Gaist Crusher, In/Spectre, and Naruto Spin-Off: Rock Lee & His Ninja Pals. In Penguindrum, he is credited with the roles of an antiquity announcer and a doctor. In Black Bullet, he played a doctor and a commentator. He also had a role in The Garden of Sinners (recording circle) and provided the narration for the anime Super Crooks. His filmography also includes roles in Ojamajo Doremi and Princess Princess, which were credited under his former name, Takeshi Yamazaki.

His body of work demonstrates frequent collaborations across the anime industry, often appearing in productions by a wide range of studios and for various roles, particularly those requiring a distinctive narrative or announcer presence.