XCT
XCT or xct may refer to:

 Aero Costa Taxi Aéreo (ICAO: XCT), a Mexican airline; see List of airline codes (A)
 Classical Tibetan (ISO 639-3: xct), the language of any text written in Tibetic after the Old Tibetan period
 "XCT", a 2021 song by The Vaccines from Back in Love City
 A mnemonic for the execute instruction on some computer architectures