Teekyu (てーきゅう, Tēkyū) is a sports comedy manga series serialized in Earth Star Entertainment's Comic Earth Star since February 2012. Its name is a pun on the Japanese word for tennis, teikyū (庭球). The manga has been adapted into an anime television series, which ran for five seasons in from 2012 to 2015, with a sixth one starting in October 2015.

Teekyu also had a spinoff comedy manga series, also serialized in Comic Earth Star, named Takamiya Nasuno Desu! (高宮なすのです！?), translated as "I am Takamiya Nasuno!" (full name Takamiya Nasuno Desu! ~Teekyu Spinoff~ (高宮なすのです！〜てーきゅうスピンオフ〜?)), featuring one of the main characters of Teekyu in her own adventures. It has had one tankōbon release so far, and also received a 12-episode anime adaptation in 2015.