Narsi (602-) was the Sassanid Persian Governor of Kashkar during the early 7th century AD. The brother of Vizier Mah-Adhur Gushnasp, he was appointed as a governor by his brother in 628 AD, and, in 634 AD, he took part in the defense of Mesopotamia from the invading Arabs. He was defeated at the Battle of Kaskar, and his fate afterward is unknown.