Shilhak-Inshushinak I (Elamite: Šilḫak-Inšušinak, meaning "Powered by Inshushinak") was king of Elam from about 1150 to 1120 BC and a member of the Shutrukid ruling dynasty.
In the decades before the rule of Shilhak-Inshushinak, the Elamite state grew from a Babylonian vassal into a prosperous and expanding empire.
His father, Shutruk-Nahhunte invaded Babylon and his brother Kutir-Nahhunte II held strong control on the conquered lands.
When he replaced his older brother, Kutir-Nahhunte II he became the last great king of Elam.
[1] He waged wars with Babylonia, much like his immediate predecessors, in addition to conquering large parts of northern and eastern Mesopotamia.