Amaziah of Judah (pronounced , ; ; ), was the ninth king of Judah and the son and successor of Joash. His mother was Jehoaddan () and his son was Uzziah (). He took the throne at the age of 25, after the assassination of his father, and reigned for 29 years, (, ) 24 years of which were with the co-regency of his son. The second Book of Kings and the second Book of Chronicles in the Hebrew Bible consider him a righteous king, but with some hesitation. He is praised for killing the assassins of his father "only" and sparing their children, as dictated by the law of Moses.