| Mitsuru Yūki 結城光流 | |
| Birth Date: | August 21 |
| Occupation: | Novelist |
| Nationality: | Japanese |
| Notableworks: | Shōnen Onmyōji |
| Portaldisp: | yes |
Mitsuru Yūki is a female Japanese novelist who is famed for her work, Shōnen Onmyōji.It is currently serialized in Kadokawa Shoten's The Beans and Beans Ace.