Atlantis (Ukrainian: Атлантида) is a 2019 Ukrainian dystopian post-apocalyptic film directed by Valentyn Vasyanovych. It tells the story of a former soldier struggling with post-traumatic stress disorder in a near-future Ukraine, following a war with Russia.

It received positive critical reviews overall and won the award for Best Film in the Horizons section of the 76th Venice International Film Festival. It was selected as the Ukrainian entry for the Best International Feature Film at the 93rd Academy Awards, but it was not nominated. Atlantis received new attention three years after its release with the 2022 Russian invasion of Ukraine, which the film had fictionally depicted the aftermath of.