Bahram Gushnasp, known in Byzantine sources as Bargousnas, was a Iranian military officer from the House of Mihran.He is first mentioned during an unknown date, where he campaigned against the Himyarites, and was quite successful; he managed to capture the Himyarite king Sanatources, sack his capital and take many captive. He is later mentioned in 573, as the head of the Sasanian garrison in the important city of Nisibis, when it was besieged by the Byzantine general Marcian.