| Acronym | Definition |
|---|
| AZ | Arizona (US postal abbreviation) |
| AZ | Azure (Heraldic Blue) |
| AZ | Azerbaijan (top-level domain name) |
| AZ | Asthma |
| AZ | Aktenzeichen (German: Reference Number) |
| AZ | Alitalia (Airline Code) |
| AZ | Azimuth |
| AZ | Abendzeitung (Southern German Newspaper) |
| AZ | Absolute Zero |
| AZ | Area under the ROC Curve (mathematics) |
| AZ | AstraZeneca Pharmaceuticals |
| AZ | Authority Zero (band) |
| AZ | Academisch Ziekenhuis (University Hospital Flemish, Belgium) |
| AZ | Awkward Zombie |
| AZ | Adrenaline Zone (St Charles, MO laser-tag gaming business) |
| AZ | Above Zone |
| AZ | Algemeen Ziekenhuis (general hospital; Belgium) |
| AZ | Assault Zones |
| AZ | Alkmaar-Zaanstreek (Dutch soccer team) |
| AZ | Agenda for Zambia |
| AZ | Autonomen Zentrum (German rock band) |
| AZ | Avoda Zara (Hebrew: idol worship; Jewish criticism of Christianity) |
| AZ | American Zettler, Inc (Aliso Viejo, CA general industrial manufacturer) |
| AZ | Azinhaga (Portuguese: country lane; postal usage) |
| AZ | Application Zone |
| AZ | Z-Axis Acceleration |
| AZ | Airship (lighter than air craft) tender (Naval ship type; designation no longer used) |
| AZ | Acme Zone (Biostratigraphy) |
| AZ | Ascheim-Zondek test (medical diagnosis) |
| AZ | (USN Rating) Aviation Maintenance Administrationman |