Tadaomi Ozawa, also known by the stage name Zo Ozawa, is a Japanese actor and voice actor born on October 30, 1940, in Ehime Prefecture, Japan. He is a graduate of Ehime Prefectural Uwajima Minami High School. Throughout his career, he has been affiliated with different agencies, including Nakamura Planning and E-Nest.

Ozawa's work in the entertainment industry includes both on-screen roles and voice acting in film. One of his notable early voice acting credits is the 1968 film Kyūbi no Kitsune to Tobimaru (The Fox With Nine Tails), in which he provided the voice for the character Tadanaga. The film is noted as being currently lost media. His filmography also includes live-action roles in productions such as the 1970 film Dawn of Judo, where he played Yoshimaro Dan; the 1972 film A Chorus of One Million People, as Inspector Yabe; the 1987 film Murder on the Sanriku Coast, as Sanuki; and the 1995 film Toire no Hanako-san (Hanako of the Toilet), as the school principal.