| 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) |