HZA
| Acronym | Definition |
|---|---|
| HZA | Hauptzollamt (German: Central Customs Office) |
| HZA | Hilfe Zur Arbeit (German: Right to Work) |
| HZA | Hornby Zeller Associates (est. 1988; various locations) |
| HZA | Heistse Zwemclub Arduas (Belgian swim club) |
| HZA | High-Zenith Antenna |
| HZA | Hungarian Zeolite Association (est. 1992) |