Ace Attorney (Japanese: 逆転裁判, Hepburn: Gyakuten Saiban, lit. "Turnabout Trial") is a 2012 Japanese legal comedy-drama film, directed by Takashi Miike and based on the Capcom video game Phoenix Wright: Ace Attorney. The film stars Hiroki Narimiya, Mirei Kiritani, and Takumi Saitoh. In the film, rookie defense attorney Phoenix Wright takes on a series of court cases, culminating in one that pits him against Manfred von Karma, a prosecutor who has remained undefeated throughout his forty-year career.

It made its premiere at the International Film Festival Rotterdam on 1 February 2012 and was released in Japanese cinemas on 11 February 2012. The US premiere was made at the Hawaii International Film Festival in April 2012. Miike has stated there are plans for an international release with both dubbing and subtitles available for each specific region, however such dubs have never been produced.