The word axis has several meanings:

• In geometry, it may refer to:
  • An axis of rotation
  • A coordinate axis
  • An axis of symmetry

• In anatomy, the axis is the second cervical vertebra.

• Axis Communications (also known as AXIS) is a swedish manufacturer of network print servers, high-end webcameras and miscellanous IT goods.

• In politics, it may refer to:
  • The Axis Powers of the Second World War
  • The Axis of Evil, as coined by George W. Bush
  • A similar alliance

• In Gundam (Universal Century), Axis may refer to:
  • The Astriod Axis, a waypoint for the Jupiter Energy Fleet.
  • The Axis Zeon