Mingyi Swa (, or ; 27 November 1558 – ) was heir apparent of Burma from 1581 to 1593. The eldest son of King Nanda of Toungoo Dynasty led three out of the five Burmese invasions of Siam between 1584 and 1593, all of which ended in complete failure. He died in action during the fifth invasion in 1593. In Thai history, he was killed in single combat by King Naresuan while in the Burmese chronicles say he was felled by a Siamese mortar round.