Atsuko Tanaka was a Japanese avant-garde artist. She was a central figure of the Gutai Art Association from 1955 to 1965. Her works have found increased curatorial and scholarly attention across the globe since the early 2000s, when she received her first museum retrospective in Ashiya, Japan, which was followed by the first retrospective abroad, in New York and Vancouver. Her work was featured in multiple exhibitions on Gutai art in Europe and North America.

The Gutai Art Association was a Japanese avant-garde artist group founded in the Hanshin region by young artists under the leadership of the painter Jirō Yoshihara in Ashiya, Japan, in 1954. It operated until shortly after Yoshihara's death in 1972.