Yowamushi Pedal (Japanese: 弱虫ペダル, Hepburn: Yowamushi Pedaru, lit. "Weakling Pedal") is a Japanese manga series written and illustrated by Wataru Watanabe. It began serialization in the 12th issue of Akita Shoten’s shōnen manga magazine Weekly Shōnen Champion in 2008, and as of October 2023, the series has been compiled into 86 tankōbon volumes. The manga has been licensed in North America by Yen Press in 2015.

An anime television series adaptation aired from October 2013 to July 2014, followed by a second season aired from October 2014 to March 2015, a third season aired from January to June 2017, a fourth season aired from January to June 2018, and a fifth season premiered in October 2022. The first three seasons have been licensed by Discotek Media in North America in 2014. A live-action television drama adaptation aired in August 2016. A live-action film adaptation was released on August 14, 2020.

By September 2022, Yowamushi Pedal had over 28 million copies in circulation, making it one of the best-selling manga series. In 2015, the manga won the Best Shōnen Manga award at the 39th Kodansha Manga Awards.