Mari Asato (?? ??, Asato Mari) is a Japanese film director born in Okinawa on 14 March 1976.
Primarily known for the film Ju-On: Black Ghost (2009), part of The Grudge film installments, her other films include the politically undertoned Samurai Chicks (Dokuritsu Shôjo Gurentai) (2004), the cinematic rendition of Boy From Hell (2004), Twilight Syndrome: Dead Go Round (2008), Ring of Curse (2011), Bilocation (2012), and Fatal Frame (2014).