九柱神（希腊语：Ἐννεάς，拉丁化：Ennead，「九」的意思）是在太阳神的崇拜中心赫里奥波里斯（Heliopolis）受到崇拜的九位神祇，是埃及神话中九位最重要的神祇。

在一些版本中。也有被亚图姆、托特、荷鲁斯、阿蒙等神祇替换的情况。

The Ennead (Ancient Greek: ἐννεάς, meaning a collection of nine things) was a group of nine deities in Egyptian mythology. The Ennead were worshipped at Heliopolis and consisted of the god Atum, his children Shu and Tefnut, their children Geb and Nut and their children Osiris, Isis, Set, and Nephthys.