Alice in Borderland (Japanese: 今際の国のアリス, Hepburn: Imawa no Kuni no Arisu) is a Japanese suspense manga series written and illustrated by Haro Aso. It was first serialized in Shogakukan's shōnen manga magazine Shōnen Sunday S from November 2010 to March 2015, and later moved to Weekly Shōnen Sunday, where it ran from April 2015 to March 2016. Its chapters were collected in 18 tankōbon volumes. Alice in Borderland was adapted into a three-episode original video animation (OVA), released from October 2014 to February 2015.

A spin-off series, Alice on Border Road, illustrated by Takayoshi Kuroda, was serialized in Shogakukan's seinen manga magazine Monthly Sunday Gene-X from August 2015 to February 2018, with its chapters collected in eight tankōbon volumes. A sequel, written and illustrated by Aso, Alice in Borderland: Retry, was serialized in Weekly Shōnen Sunday from October 2020 to January 2021, with its chapters collected in two tankōbon volumes. A live-action television series adaptation, produced by Netflix and directed by Shinsuke Satō, premiered worldwide with an eight-episode first season in December 2020; it was followed by an eight-episode second season in December 2022.