miHoYo Co., Ltd. (Chinese: 米哈游; pinyin: Mǐhāyóu) is a video game development and publishing company based in Shanghai, China. In addition to games, the company has created various products such as animated series, novels, comics, music, and merchandise.

The company is the creator of Genshin Impact, an open world action role-playing game released in 2020 that is one of the most profitable mobile games. miHoYo also developed the game Honkai Impact 3rd.

With the aim of expanding content production, technology research and publishing outside of China, miHoYo launched the HoYoverse brand under its subsidiary Cognosphere Pte., Ltd. in February 2022. Since then, miHoYo has conducted business worldwide under the brand and has operations in Singapore, United States, Canada, Japan and South Korea.[1] They employ 4,000 people in these locations.[2]

miHoYo also operates under the subsidiaries Shanghai miHoYo Yingtie Technology Co., Ltd. (上海米哈游影铁科技有限公司) and Shanghai miHoYo Tianming Technology Co., Ltd. (上海米哈游天命科技有限公司). The first is the publisher of Genshin Impact, Honkai: Star Rail and Zenless Zone Zero; the latter is the developer of Tears of Themis.