Kingdom is a Japanese manga series written and illustrated by Yasuhisa Hara. It has been serialized in Shueisha’s seinen manga magazine Weekly Young Jump since January 2006, with its chapters collected in 75 tankōbon volumes as of March 2025.

The story takes place during the Warring States Period of the ancient Zhongyuan (476-221 BCE) centering on the journey of an unknown boy and young king as they try to change the kingdom’s course of history where it will lead to their destiny being marked by violence and pain.