Michiru Aizawa is a former Japanese voice actor from Chiba Prefecture, born on June 23, 1989. She was affiliated with the talent agency Vims. Her career in the entertainment industry was brief, spanning approximately two years from her debut in 2006 to her retirement in 2008.

Aizawa made her debut as a voice actor while still a high school student. She successfully auditioned for a role while attending a voice actor training school, which led to her first major role. Her debut performance was as the character Floe in the 2006 television anime series Simoun. She later reprised this role for the 2007 PlayStation 2 game titled Simoon Ibara Sensou: Fuuin no Ri Maajon. In addition to her work in anime and video games, she also made a guest appearance on the 21st episode of the radio program Simoun: Denpa de Ri Maajon, which was related to the series.

Her other known voice role is in the 2008 original video animation series Amuri in Star Ocean. In this science fiction OVA, she voiced the character Yunque Suzu Lin, one of the three central "Adapter" girls. She was part of the Uchuu Shojo Van-aren Team, a musical unit formed with her co-stars Yui Makino and Momoko Saitou, and performed the ending theme song Suzume no Heitai-san for the second episode of the series. After a brief period of activity, Michiru Aizawa retired from the voice acting profession in 2008.