Masami Tsuchiya is a Japanese singer-songwriter, guitarist, and record producer. He rose to prominence in the late 1970s as lead vocalist and guitarist of the rock band Ippu-Do. Following their disbandment in 1984, Tsuchiya focused on his solo career and formed several short-lived bands with well-known musicians. He has also participated in various collaborations and produced recordings for acts such as Glay, Blankey Jet City, and The Willard.