Dark Matter may refer to:
- The recurring item.
- The enemy ability from Final Fantasy XI.
- The ability from Final Fantasy Tactics S.
- The weapon from Final Fantasy Explorers.
Dark matter is a theoretical form of matter that has no detectable radiation emission, hence the name. Its existence is inferred from gravitational effects, and it is predicted to account for approximately 22% of the total mass/energy content in the universe (normal matter accounts for only 4%).