Omega refers to multiple subjects; you may be looking for:
- Omega (Clutch Powers), the main antagonist of The Adventures of Clutch Powers.
- Omega (Doctor Who), a character depicted in LEGO Dimensions
- Omega (Star Wars), a character from Star Wars: The Bad Batch
- Omega Red, a character from LEGO Marvel Super Heroes
- The Omega, the leader of the Oni from Ninjago: Masters of Spinjitzu.