Mitsuishi Kotono (born December 8, 1967) is a prolific Japanese voice actress from Tokyo, Japan. As a young girl, she lived in Nagareyama, Chiba Prefecture, Japan. She graduated from high school in 1986 and entered the Katsuta Seiyuu Academy. While attending the academy, she began working part time as a lift operator in the Sunshine 60 building. Afterward, she found a position as a pink-collar worker, but because of taking too much time off, she was forced to quit.