3×3 Eyes (pronounced Sazan Aizu in Japanese) is a Japanese manga series written and illustrated by Yuzo Takada. It was serialized in Kodansha's seinen manga magazines Young Magazine Kaizokuban and Weekly Young Magazine from 1987 to 2002, spanning to a total of 40 volumes. The English language translation was published by Dark Horse Comics, but was discontinued after the release of volume 8 in 2004.
In 1993, 3×3 Eyes won the Kodansha Manga Award for the shōnen category.
It was eventually followed by 2 sequels: Genju no Mori no Sonansha (2014 – 2016) and Kiseki no Yami no Keiyakusha (2016 – 2023).