AZX may refer to:

AZX (airline), ICAO code for the defunct British AB Airlines (1993–1999) AZX-Monstrum, an unofficial clone of the ZX Spectrum home computer AZX, ICAO code for former Gabonese airline Air Max Africa (2002–2006) AZX, NYSE symbol for Azurix, a Texas water-services company AZX or Arizona Stock Exchange, an early e-trading exchange (1990–2001) AZX, ID code for a version of the 2.3 VR5 110-125kW Volkswagen engine