Haikyu!! (ハイキュー!! Haikyū!!, from the kanji 排球 lit. “volleyball”) is a Japanese shōnen manga series written and illustrated by Haruichi Furudate. Individual chapters have been serialized in Weekly Shōnen Jump since February 2012. The series was initially published as a one-shot in Shueisha’s seasonal Jump NEXT! magazine prior to serialization. As of November 2019, forty bound volumes have been released in Japan by Shueisha. The manga has been licensed in North America by Viz Media. As of January 2018, Haikyu!! has over 28 million copies in print.

The manga is a high-tension club activities comedy that focuses on the rival schools, including Aobajohsai, Shiratorizawa, Nekoma, Fukurōdani, and more.