Tadashi Suzuki (鈴木 忠志, born June 20, 1939) is a Japanese avant-garde theatre director, writer, and philosopher.

He is the creator of the "Suzuki method" of actor training,[1][2] which emphasizes stylized body work and physicality drawing from dance and elements of traditional Japanese theater.

Suzuki was the general artistic director of Shizuoka Performing Arts Center (SPAC) (1995~2007), an international committee member of the Theatre Olympics; a founding member of the BeSeTo Festival (演劇祭),[3] jointly organized by leading theatre artists from Japan, China and Korea; and, chairman of the Board of Directors for the Japan Performing Arts Foundation, a nationwide network of theatre professionals in Japan.

It centers on a physically grueling training regimen of approximately two hours, featuring much stomping on the ground said to be derived from ancient Japanese rituals.

Trainees are required to assume a squatting posture for lengthy periods in order to "enhance their affinity with the ground.