Ur-Ningirsu (Sumerian: , Ur-<sup>D</sup>-nin-gir-su; died 2119 BC) also Ur-Ningirsu II in contrast with the earlier Ur-Ningirsu I, was a Sumerian ruler (ensi) of the state of Lagash in Southern Mesopotamia who ruled c. 2120 BC. He was the son of the previous ruler of Lagash named Gudea.
A statue of Ur-Ningirsu, dedicated to Ningishzida (Sumerian: , <sup>D</sup>Nin-ḡià ¡-zi-da), is shared by The Metropolitan Museum of Art of New York, and the Musée du Louvre, as they own separately the head and the body of the statue, respectively. The statue has an inscription in the back, which reads:
Also found was a foundation cone describing Ur-Ningirsu's construction of several temples.