Lugal-kisalsi, also Lugaltarsi (𒈗𒆦𒋛, lugal-kisal-si, also 𒈗𒋻𒋛, lugal-tar-si, lugal-sila-si; fl. c.

2400 BC)[3] was a King of Uruk and Ur who lived towards the end of the 25th century BC, succeeding his father Lugal-kinishe-dudu, according to contemporary inscriptions,[4] although he does not appear in the Sumerian King List (but his father does in some versions).

[5][6] In one of his inscriptions, he appears as "Lugalkisalsi, the first-born son of Lugalkigenedudu, king of Uruk and Ur".

[10] Lugal-kisalsi was also called "King of Kish" in some of his inscriptions: 𒀭𒈗𒆳𒆳𒊏 / 𒀭𒈹 / 𒊩𒌆𒀭𒈹𒊏 / 𒈗𒋻𒋛 / 𒈗𒆧𒆠 / 𒂦𒆦 / 𒈬𒈾𒆕 an lugal kur-kur-ra / {d}inanna / nin AN MUSZ3-ra / lugal-sila-si / lugal kisz / bad3 kisal / mu-na-du3

The foundation peg reads: 𒀭𒇉 / 𒁮𒀭𒊏 / 𒈗𒆦𒋛 / 𒈗𒀕𒆠𒂵 / 𒈗𒋀𒀊𒆠𒈠 / 𒂍𒀭𒇉 / 𒈬𒆕{d}namma / dam an-ra / lugal-kisal-si / lugal unu{ki}-ga / lugal urim5{ki}-ma / e2 {d}namma / mu-du3