Airy may refer to: Sir George Biddell Airy (1801–1892), British Astronomer Royal from 1835 to 1881, for whom the following features, phenomena, and theories are named: Airy (lunar crater) Airy (Martian crater) Airy-0, a smaller crater within the previous one on Mars, and which defines the prime meridian of the planet Airy wave theory, a linear theory describing the propagation of "gravity waves" on the surface of a fluid Airy disk, a diffraction pattern in optics Airy beam, a non-spreading, transversely accelerating optical wavepacket Airy function, a mathematical function Airy points, support points chosen to minimize the distortion of the length of a physical standard (such as the International Prototype Meter) Anna Airy (1882–1964), British artist Airy (software), a video-downloading utility Airy, a character in the video game Bravely Default See also Airey (disambiguation) Mount Airy (disambiguation) Aerie (disambiguation)