ZTA
| Acronym | Definition |
|---|---|
| ZTA | Zeta Tau Alpha (fraternity) |
| ZTA | Zimbabwe Tourism Authority (Ministry of Environment and Tourism; Harare, Zimbabwe) |
| ZTA | Zirconia Toughened Alumina |
| ZTA | Zoning Text Amendment (city government procedure; various locations) |
| ZTA | Zimbabwe Tobacco Association (Harare, Zimbabwe) |
| ZTA | Zimbabwe Teachers' Association |
| ZTA | Zero Time Accessories (wrist watch retailer; Canada) |
| ZTA | Zero Time Average |