Stephen I (Georgian: სტეფანოზ I, Step'anoz I) (died 627), of the Guaramid Dynasty, was a presiding prince of Iberia (Kartli, central and eastern Georgia) from c. 590 to 627. He was killed during the battle with the invading Byzantine army.The son and successor of Guaram I of Iberia, Stephen reversed his father’s pro-Byzantine politics to pro-Iranian and, through loyalty to his Sassanid suzerains, succeeded in reuniting Iberia under his sway.