The Lament for Nippur, or the Lament for Nibru, is a Sumerian lament, also known by its incipit tur<sub>3</sub> me nun-e ("After the cattle pen..."). It is dated to the Old Babylonian Empire (). It is preserved in Penn Museum on tablet CBS13856.
It is one of five known Mesopotamian "city laments"—dirges for ruined cities in the voice of the city's tutelary goddess.
The Lament is composed of 9 kirugu (sections, songs) and 8 già ¡gigal (antiphons) followed by 3 more kirugu.
Numbered by kirugu, the lament is structured as follows:
It includes passages in the emesal, a sociolect used by high-status women, showing the importance of women's voices in city laments; emesal is also found in the Lament for Ur.