Ego or EGO may refer to: Social sciences. Ego (Freudian), one of the three constructs in Sigmund Freud's structural model of the psyche. Egoism, an ethical theory that treats self-interest as the foundation of morality. Egotism, the drive to maintain and enhance favorable views of oneself. Egocentrism, the inability to differentiate between self and other. Self-concept, a collection of beliefs about oneself that embodies the answer to "Who am I?" Arts and media. Music. Egó, an Icelandic band. Ego (Oomph! album), 2001. Ego (Tony Williams Lifetime album), 1971. E.G.O.
https://en.wikipedia.org/wiki/Ego