XA, xA, or xa may refer to:

Finance Athens Stock Exchange, often abbreviated as ΧΑ in Greek

Organizations Chi Alpha, a Christian college group Golden Dawn (political party), from the Greek initials

Technology Computing X/Open XA, a standard for distributed database transactions ".xa". or ".XA", an audio file extensions used in the PlayStation and PSone

CD-ROM XA, an extension to the CD-ROM storage format A Maxis proprietary audio format used by games The Sims and SimCity 3000

Aerospace XA, aircraft registration prefix for Mexican commercial aircraft XA, United States aircraft designator for Experimental Attack

Other technologies Scion xA, a car Fantom-X, a synthesizer made by Roland Corporation Olympus XA, a camera

Other xA, expected assists, performance metric Xã, a rural commune, a third-level administrative subdivision in Vietnam XA, acronym of American rock band X Ambassadors

See also