| Acronym | Definition |
|---|
| ECTN➣Electronic Cargo Tracking Note (shipping) |
| ECTN➣European Chemistry Thematic Network (EU) |
| ECTN➣European Cultural Tourism Network (EU) |
| ECTN➣Episcopal Cathedral Teleconferencing Network (Trinity Church) |
| ECTN➣European Constructivist Training Network (psychology) |
| ECTN➣EPRI Cable Testing Network |
| ECTN➣Église Chrétienne pour Toutes les Nations (French: Christian Church for All Nations) |