Chaos may refer to:
- Dark Souls:
- Bed of Chaos - A boss, the remnants of the former Witch of Izalith and one of the bearers of the Lord Souls.
- Chaos (mechanic) - A gameplay mechanic.
- Chaos (upgrade path) - A weapon upgrade path.
- Chaos Blade - A katana created from the Soul of Quelaag.
- Chaos Flame Ember - A key item that allows modification of weapons down the Chaos path.
- Flame of Chaos - A concept. The result of a failed attempt to recreate the First Flame.
- Dark Souls II:
- Dark Souls III: