Ashurnasirpal I (Aššur-nāṣir-apli I, inscribed maš-šur-PAB-A, meaning "the god Assur is the protector of the heir") was the king of Assyria, 1049–1031 BC, and the 92nd to appear on the Assyrian Kinglist.

He was the son and successor of Shamshi-Adad IV, and he ruled for 19 years[i 1] during a troubled period of Assyrian history, marked by famine and war with nomads from the deserts to the west.

Known from a single copy from the library of Ashurbanipal, it includes a plea to the goddess to restore him to health from the sickness that afflicted him, citing his temple-restoration, and devotions, to persuade her.

[2] The Synchronistic Kinglist[i 2] gives his Babylonian counterpart as Kashshu-nadin-ahi (c. 1006–1004 BC), but probably only for stylistic purposes as there seems to have been no recorded contact between the kingdoms during this period.

The "White Obelisk"[i 4] is sometimes attributed to him by historians, but more usually to his later namesake, Ashurnasirpal II, because its internal content (hunting, military campaigns, etc.)