Axis may refer to:
- The Axis powers of World War II
- The Axis of evil, used by George W. Bush to refer to Iran, Iraq, and North Korea
In literature:
- Axis (novel), a sequel to Robert Charles Wilson's Spin
In science:
- Axis (anatomy), the second cervical vertebra of the spine
- Axis (deer), a genus of deer
- Optical axis, in optics
- Axis (Science Festival), the annual technical festival of Visvesvaraya National Institute of Technology
In mathematics:
- Coordinate axis, in mathematics, physics and engineering
- Axis of rotation, or axis of symmetry, in geometry-related contexts
In music:
- Axis Records, the name of two music labels
- Axis system
- Axis: Bold as Love, Jimi Hendrix album
- Axis Percussion
In politics:
- A quasi-mathematical parameter which is used to describe some characteristic of someone or something. See Political spectrum.
In Gundam (Universal Century), a fictional universe, Axis may refer to:
- The Asteroid Axis, a waypoint for the Jupiter Energy Fleet
- The Axis Zeon, a faction in the Universal Century timeline
In Information Technology
- Apache Axis is an opensource Webservices platform implementation of the Apache foundation
- Axis Communications (also known as AXIS) is a Swedish manufacturer of IT equipment
