Bhadant Nagarjun Arya Surai Sasai (佐々井 秀嶺, Sasai Shūrei, born Minoru Sasai (佐々井 実, Sasai Minoru)), popularly known as Sasai, is a Japanese-born Indian Buddhist monk who later chose India as his home. He is the president of the Dr. Babasaheb Ambedkar Memorial committee Deekshabhoomi.