| Acronym | Definition |
|---|
| ETIS | Elephant Trade Information System (Convention on International Trade in Endangered Species of Wild Fauna and Flora) |
| ETIS | European Tender Information System (EU) |
| ETIS | European Telecommunications Informatics Services |
| ETIS | Energy Technology and Innovation Strategy (Melbourne, Victoria, Australia) |
| ETIS | Environmental Technologies-Information Systems (Washington, DC) |
| ETIS | Equipes Traitement des Images et du Signal (Cergy-Pontoise, France) |
| ETIS | Electronic and Telecommunications Information Services (information exchange network) |