Mayu Iizuka (飯塚 麻結, Iizuka Mayu, April 15, 1996) is a Japanese voice actress from Saitama Prefecture, Japan, affiliated with Sun Music Production.

She has been active as a voice actress since she was in the first year of high school, and became a member of JTB Entertainment when she was in the second year. She is active not only in anime but also in songs, theatrical performances, radio, Nico Nico Live and magazines. She joined Sun Music Production in January 2017. She is also a member of Dialogue+ (stylized as DIALOGUE+) since 2019, a Japanese idol group which is signed to Pony Canyon.