Mizuki Sano (佐野 瑞樹, Sano Mizuki, born September 26, 1973 in Fujinomiya, Shizuoka, Japan) is a Japanese actor and the eldest member of Johnny's Jr., the trainee unit of the well-known talent agency Johnny & Associates.
He is perhaps best known for his role in Kindaichi Shounen no Jikenbo and his various activities as a member of Johnny's Jr. Mizuki Sano graduated from Fujinomiya West High School, and Shizuoka University with a degree in law.
Mizuki Ashiya and Izumi Sano, the two main characters in the manga Hanazakari no Kimitachi e, are named after him.
In 1995, Sano became a first-generation member of Johnny's Sr., along with Masayuki Sakamoto, Hiroshi Nagano, and Yoshihiko Inohara of V6.
Until 1996 he was a back-up dancer for Hikaru Genji, V6, SMAP, and KinKi Kids.