Khusrau Shah was the king of the Justanids from 972 to ca. 1004. He was the son and successor of Manadhar.
During his reign, relations between the Buyids flourished; Khusrau Shah aided the Buyid ruler Adud al-Dawla in his campaigns by sending him Dailamite troops. Even during a period when Khusrau Shah was sick, Adud al-Dawla sent one of his physicians named Jibrail III to treat him. Adud al-Dawla also married the sister of Khusrau Shah, who bore him Abu'l-Husain Ahmad and Abu Tahir Firuzshah. Khusrau Shah also had a brother named Fuladh ibn Manadhar, who was a prominent Buyid officer who held much influence in the Buyid court of Baghdad. Khusrau Shah later died ca. in 1004, the name of his successor is not known, however, dynasty continued to rule in Rudbar until the late 11th-century.