An axis (: axes) may refer to:

Mathematics

  • A specific line (often a directed line) that plays an important role in 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

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, Hezbollah, and the Houthis
  • Axis of Upheaval (first used in 2024), foreign policy neologism of the Anti-western collaboration between Russia, China, Iran, and North Korea
  • Jakarta-Pyongyang-Peking Axis, diplomatic alignment and alliance between Indonesia, China, and North Korea during Sukarno's Presidency
  • Political spectrum, sometimes called an axis

Science

  • Axis (anatomy), the second cervical vertebra of the spine
  • Axis (genus), a genus of deer
  • Axis (journal), online journal published by The Mineralogical Record
  • Axis mundi, astronomical term for the rotational axis of the celestial sphere
  • Axis, a botanical term meaning the line through the centre of a plant
  • Axis, an anatomical term of orientation
  • Gut–brain axis, biochemical signaling between the gastrointestinal tract and central nervous system
  • Hypothalamic–pituitary axis, relationship between neuroendocrine hormones and a specific end organ
  • Optical axis, a line of rotational symmetry

Technology

  • Apache Axis, a web-service framework from Apache Software Foundation
  • Yahoo! Axis, a mobile web browser

Arts, entertainment, and media

Music

  • Axis: Bold as Love (1967), an album by The Jimi Hendrix Experience
  • Axis (Paul Bley album) (1977)
  • Axis (Pegz album) (2005)
  • "Axis" (song), by Pet Shop Boys (2013)

Other uses in arts, entertainment, and media

  • 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.
  • Axis, a major character in the video game Undertale Yellow

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
  • PH Live, a Las Vegas resort/casino concert venue named The AXIS from December 2013 to February 2018

Other uses

  • Axis, Alabama, an unincorporated area in the United States

See also

  • Axis system of harmonic analysis
  • Axes (disambiguation)
  • Axial (disambiguation)
  • Axios (disambiguation)
  • Axis 2 (disambiguation)
  • Axius (disambiguation)