Darius is some kind of name. It can refer to a number of things.
- Darius, a game where you have to defend a planet called Darius from evil alien invaders
- Darius II, a game where people from the planet Darius help defend planet Earth from evil alien invaders
- Darius III of Persia, a Persian king who sucked at warfare
- This is a disambiguation page. This means we're trying to make sense of things. Stop us, now.