Atsuko Tanaka (?? ??, Tanaka Atsuko, November 14, 1962 - August 20, 2024) was a Japanese voice actress and narrator. Born in Maebashi, she became interested in acting during her youth, and while educated at Ferris University, worked as a background extra at Shochiku. After spending years working as an office lady for a Tokyo executive, she enrolled in the Tokyo Announcement Academy and joined the talent agency Mausu Promotion, with whom she was affiliated at the time of her death.

She was best known for her portrayal of Motoko Kusanagi in the Ghost in the Shell film and franchise, and she also voiced Konan in Naruto, Caster in Fate/stay night, Lisa Lisa in JoJo's Bizarre Adventure, Chun-Li in Street Fighter III: 3rd Strike, Claudette in Queen's Blade, Francis Midford in Black Butler, Karura in Utawarerumono, Bayonetta in the Bayonetta series, Hanami in Jujutsu Kaisen, and Kyrie Ushiromiya in Umineko no Naku Koro ni.