Mōri Takachika (毛利 敬親, March 5, 1819 – May 17, 1871) was the 13th daimyo of Chōshū Domain.

His domain was a traditional enemy of the Tokugawa shogunate, and he became a key player in its downfall during the Bakumatsu period.

He was later allowed to use a character from the name of shōgun Tokugawa Ieyoshi and changed his name to Yoshichika (慶親).

He was born on March 5, 1819, the first son of Fukubara Fusamasa (later known as Mōri Narimoto) and a concubine from the Harada clan.

[1] He employed Murata Seifū, Tsuboi Kuemon and Sufu Masanosuke as reformers of the economy and administration in his domain.