E-123 Omega (disambiguation)

E-123 Omega may refer to:


 * E-123 Omega, the character from the Sonic the Hedgehog video game series.
 * E-123 Omega (Archie), the character from the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics.
 * E-123 Omega (Pre-Super Genesis Wave), the version of Omega from before the Super Genesis Wave.
 * E-123 Omega (IDW), the character from the Sonic the Hedgehog comic series and its spin-offs published by IDW Publishing.