Kei Yoshikawa (吉川 慶, Yoshikawa Kei, born in 1966) is a Japanese lyricist, composer, and arranger. He belongs to Miracle Bus.

He is from Suginami, Tokyo. He graduated from Tokyo University of the Arts, Department of Composition. He mainly writes, composes, and arranges songs for artists, but also music for movies, TV dramas, and TV programs.