| ZEC | Zero Energy Coefficient | 零功率系数 |
| ZEC | Secunda, South Africa | 南非塞孔达 |
| ZEC | Zimbabwe Electoral Commission | 津巴布韦选举委员会 |
| ZEC | Zone d'Exploitation ContrôlÉe (French: Controlled Harvesting Zones; Quebec, Canada) | Zone d'Exploitation ContrôlÉe (French: Controlled Harvesting Zones; Quebec, Canada) |
| ZEC | Zinc Electrochemical Cell | 锌电化学电池 |
| ZEC | Zenith Electronics Corporation | Zenith电子公司 |
| ZEC | Zona Especial Canaria | 加那利特别区 |
| ZEC | Zinsser-Engman-Cole(syndrome) | Zinsser-Engman-Cole（综合征） |
| ZEC | Zephinie Escape Chute | Zephinie逃生滑道 |
| ZEC | Zone Environmental Conservation | 区域环境保护 |