Kids on the Slope (Japanese: 坂道のアポロン, Hepburn: Sakamichi no Aporon, lit. "Apollo on the Slope") is a Japanese manga series written and illustrated by Yuki Kodama. It was serialized in the manga magazine Monthly Flowers from 2007 to 2012, and was published as ten tankōbon volumes (collected editions) by Shogakukan. The series follows Kaoru Nishimi, an introverted high school student who discovers jazz music through his friendship with his delinquent classmate Sentarō Kawabuchi.

The series has been adapted twice: as a television anime series in 2012, and as a live action film directed by Takahiro Miki in 2018. The anime adaptation is directed by Shinichirō Watanabe with music by Yoko Kanno, making it the third collaboration between Watanabe and Kanno following Macross Plus (1994–1995) and Cowboy Bebop (1998). The series was produced by MAPPA and Tezuka Productions, and aired on Fuji TV's Noitamina programming block. In North America, the series was licensed by Sentai Filmworks and aired on the streaming service Crunchyroll, which simulcast the series during its original broadcast run.

The anime adaption of Kids on the Slope was widely acclaimed, with praise given to its direction, narrative, and music. Critics explored Kids on the Slope's depiction of Catholicism in Japan, its themes of male friendship and subtextual homoeroticism, and its relation to Watanabe's broader canon of works in their analysis of the series. Multiple outlets listed Kids on the Slope as among the best anime of the 2010s.