The Ikhemu-sek (Ancient Egyptian: j.ḫmw-sk – literally "the ones not knowing destruction"[1] also known as the Imperishable ones) were a group of ancient Egyptian minor deities who were the personifications of the northern constellations.

[2] The northern constellations were depicted in the tomb of Senenmut on the astronomical ceiling.

[2] The Ikhemu-sek were also found on the astronomical vaulted ceilings of tombs in the Valley of the Kings.

[2] The Ikhemu-sek where portrayed as both animal and human-like: A woman, lion (leo), bull, man, falcon-headed man, man, and hippopotamus.