Michiru is a common Japanese given name. People named Michiru include:
Michiru Jo, a 1970s J-Pop artistMichiru Oshima, a Japanese composerMichiru Shimada, a Japanese anime scriptwriterMichiru Yamane, a video game composerMichiru Yuimoto, a Japanese voice actressMonday Michiru, a Japanese-American actress, singer, and songwriterFictional characters:
Michiru Aida, the protagonist of the Japanese TV drama Last FriendsMichiru, a character in the Japanese visual novel series AirSailor Neptune, aka Michiru Kaioh, one of the central characters in the Sailor Moon metaseriesMichiru Nishikiori, a character in the Japanese anime and manga series Kamichama Karin.