Dark Water (Japanese: 仄暗い水の底から, Hepburn: Honogurai mizu no soko kara, lit. "From the Depths of Dark Water") is a 2002 Japanese supernatural horror film directed by Hideo Nakata and written by Yoshihiro Nakamura and Kenichi Suzuki, based on the short story collection by Koji Suzuki. The film stars Hitomi Kuroki, Rio Kanno, Mirei Oguchi, Asami Mizukawa, Fumiyo Kohinata, Yu Tokui, Isao Yatsu and Shigemitsu Ogi. The plot follows a divorced mother who moves into a rundown apartment with her daughter, and experiences supernatural occurrences including a mysterious water leak from the floor above.

An American-produced remake of the film, directed by Walter Salles and starring Jennifer Connelly and Tim Roth, was released in 2005.