''Alter Ego'' may refer to:

* The videogames:
** ''VideoGame/AlterEgo1986''
** ''VideoGame/AlterEgo2018''
* Or the Show:
** ''Series/AlterEgo2021''
* For tropes using the term, see the following
** AlterEgoActing
** LovesMyAlterEgo
** MarqueeAlterEgo
** OlderAlterEgo
** RobotOrSpacemanAlterEgo
** SexierAlterEgo
** SuperpoweredAlterEgo
* See also the following:
** {{Alias}} (Disambiguation and several tropes)
** BecomingTheMask
** LivingADoubleLife
*** SecretIdentity (A SubTrope of the above)
** SplitPersonality
** SuperpoweredEvilSide
** TwoPersonLoveTriangle

If a direct wick has led you here, please correct the link so that it points to the corresponding article.
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