Junsei Terasawa (Japanese: ????, Russian: ??????? ????????, Ukrainian: ??????? ????????; September 15, 1950) is a Japanese Buddhist monk, belonging to the Order Nipponzan Myohoji.
He is notable for being the first Nipponzan monk to be active in Eurasia.
Being a respected mentor, surnamed Terasawa-sensei or simply Sensei, he has undertaken many years of monastic peacemaking practices in India, Europe and the former Soviet Union.
Presently, he teaches groups of monks from Russia, Ukraine, Kazakhstan, and China.
In 2000 he was forbidden to enter Russia in opposition to War in Chechnya.