Kōji Tamaki (玉置 浩二, Tamaki Kōji, born September 13, 1958) is a Japanese singer-songwriter and actor. He has been well known as frontman of the rock band Anzen Chitai that debuted in 1982 and enjoyed a successful career, particularly during the 1980s. In the 1990s, he also began his career as a solo artist. He is widely regarded as one of the greatest Japanese vocalists.
In 2014, he was ranked first by a panel of 200 experts for the best ever singing voice in Japan. Moreover, in 2021 Koji was voted as the greatest active male Japanese singer, with 190 experts agreeing that he is a "living national treasure of music" and that he portrays an "unparalleled mass of expressiveness and emotion which only seems to get better with age".
As a vocalist and a songwriter of the band, Tamaki spawned multiple successful compositions which were mostly co-written by lyricists including Gorō Matsui and Yōsui Inoue, by the time that the group suspended their career in 1993.
