Mitsuru Igarashi (五十嵐 充, Igarashi Mitsuru, born 17 May 1969 in Tokyo) is the former keyboardist and songwriter of Japanese pop group Every Little Thing.
[1] He founded the band in early 1996 with his old friend Ichirō Itō and then 18-year-old singer Kaori Mochida.
He left Every Little Thing in April 2000 after releasing the third album, Eternity.
Currently he plays keyboards and is a songmaker and producer in band Rushmore.
He was also involved in composing and writing song lyrics for Every Little Thing's ninth album, Change.