An axis (pl.: axes) may refer to:
Mathematics
- A specific line that plays an important role is some contexts. In particular:
- Coordinate axis of a coordinate system
- x-axis, y-axis, z-axis, common names for the coordinate axes of a Cartesian coordinate system
- Axis of rotation
- Axis of symmetry
- Axis of a conic section
- Coordinate axis of a coordinate system
Politics
- Axis powers of World War II, 1936–1945.
- Axis of evil (first used in 2002), U.S. President George W. Bush's description of Iran, Iraq, and North Korea
- Axis of Resistance (first used in 2002), the Shia alliance of Iran, Syria, and Hezbollah
- Political spectrum, sometimes called an axis
Science
- Axis (anatomy), the second cervical vertebra of the spine
- Axis (genus), a genus of deer
- Axis, an anatomical term of orientation
- Axis, a botanical term meaning the line through the centre of a plant
- Optical axis, a line of rotational symmetry
- Axis (journal), online journal published by The Mineralogical Record
Technology
- Apache Axis, a web-service framework from Apache Software Foundation
- Yahoo! Axis, a mobile web browser
Arts and entertainment
Music
- Axis: Bold as Love (1967), a studio album by The Jimi Hendrix Experience
- Axis (Paul Bley album) (1977)
- Axis (Pegz album) (2005)
- "Axis" (song), 2013, by Pet Shop Boys
- The Axis of Awesome, an Australian comedy music act that performed from 2006 to 2018
Other uses in arts and entertainment
- AXIS (comics), "Avengers & X-Men: AXIS" (2014), a Marvel Comics storyline
- Axis Amerika, the name of two teams of super-villains who have appeared in DC Comics
- Axis, an asteroid in the Gundam science fiction media franchise
- Axis (film), a 2017 drama directed by Aisha Tyler
- Axis (novel), a 2007 science-fiction novel by Robert Charles Wilson
- AXIS Dance Company, a professional contemporary dance company and dance education organization in Oakland, California, U.S.
Brands and enterprises
- Axis Bank, a private sector bank in India
- AXIS Capital, a Bermuda-based and global operating reinsurer
- Axis Communications, a Swedish manufacturer of IP cameras
- AXIS Flight Training Systems, an Austrian-based manufacturer of flight simulators
- Axis Percussion, a drum-related manufacturer
- Axis Records (disambiguation), several music labels
- Axis Telecom, a national GSM mobile operator in Indonesia
- The AXIS, a Las Vegas resort/casino concert venue
Other uses
- Axis, Alabama, an unincorporated area in the United States