MiHoYo Co., Ltd. (stylized as miHoYo; Chinese: 米哈游; pinyin: Mǐhāyóu), is a Chinese video game development and publishing company founded in 2012 and headquartered in Shanghai. The company is best known for developing the Honkai series, Tears of Themis, and Genshin Impact. In addition to games, MiHoYo has created various products such as animated series, novels, comics, music, and merchandise.

Following the global success of Genshin Impact, that became one of the highest-grossing mobile games of 2021, the company launched a global publishing subsidiary in 2022 called Cognosphere (trading as HoYoverse) aimed at expanding content production outside China. HoYoverse is based in Singapore and has since done business globally under the brand including under operations in Montreal, Los Angeles, Tokyo, and Seoul.