Sin-Iqisham (; died 1835 BC) ruled the ancient Near East city-state of Larsa from c. 1841 BC to c. 1835 BC (MC). He was the son of Sin-Eribam and a contemporary of Zambiya of Isin.
The annals for his five-year reign record that he seized Pinaratim and Nazarum in his second year, and that he defeated Kazallu, Elam, and Zambiya, king of Isin and Babylon in his fifth year.