Makoto Isshiki(一色まことIsshiki Makoto) is a Japanese manga artist. He is best known for his series Piano no Mori, which has been adapted as an anime movie and received the Grand Prize for manga at the 2008 Japan Media Arts Festival. He won the 1994 Kodansha Manga Award for general manga for Hanada Shonen-shi, which has also been adapted as both an anime television series and a live-action movie.