English abbreviations from axx to azd
- AXX (Angel Fire Airport)
- ay (Aymara language (ISO 639-1 code))
- AYA (Anlo Youth Association)
- AYB (African Youth Brigade)
- AYBABTU (All Your Base Are Belong To Us)
- AYC (Africa Youth Command)
- AYD (Alroy Downs Airport)
- AYDA (Asian Youth Development Agency)
- AYDAP (Asian Youth Development Agency Pakistan)
- AYE (Moore Army Airfield (Fort Devens) (closed 1995-2000))
- AYF (Armenian Youth Federation)
- AYG (Yaguara Airport)
- AYH (RAF Alconbury)
- AYHI (American Youth Hostels, Inc.)
- AYI (Yari Airport)
- AYK (Arkalyk Airport)
- AYL (Anthony Lagoon Airport)
- aym (Aymara language (ISO 639-2 code))
- AYN (Anyang Airport)
- AYO (Juan De Ayolas Airport)
- AYP (Coronel FAP Alfredo Mendivil Duarte Airport)
- AYQ (Ayers Rock Airport)
- AYR (Ayr Airport)
- AYS (Waycross-Ware County Airport)
- AYT (Antalya Airport)
- AYU (As Yet Unknown)
- AYW (Ayawasi Airport)
- AZ (Aviation Maintenance Administrationman)
- AZA (Phoenix-Mesa Gateway Airport (FAA: IWA))
- AZB (Amazon Bay Airport)
- AZD (Yazd Shahid Sadooghi Airport)