Masakazu Ishibashi (石橋 雅一, Ishibashi Masakazu, born in Hokkaido) is a Japanese woodwind musician. While attending Horikawa High School in Kyoto, he became affiliated with the Classical Music Society and was made a full-fledged member after graduating. He later enrolled at the Tokyo University of the Arts and furthered his studies overseas while working as a studio musician. Ishibashi joined various orchestral units throughout his career, having contributed to creating over 10,000 music tracks. He is also a lecturer at Toho Gakuen School of Music. His aliases are Masaichi and Gaichi.