| Acronym | Definition |
|---|
| DEIC | División Especializada en Investigación Criminal (Spanish: Specialized Criminal Investigation Division; Guatemala) |
| DEIC | District Early Intervention Centre (India) |
| DEIC | Dutch East India Company |
| DEIC | Defense Environmental International Cooperation (various nations) |
| DEIC | Déchet d'Emballages Industriels et Commerciaux (French: Waste from Industrial and Commercial Packaging) |
| DEIC | District Education Improvement Committee |
| DEIC | Dhombre Expansion Industrielle et Commerciale (French: Dhombres Industrial and Commercial Expansion) |
| DEIC | Delegacia Estadual de Investigações Criminais (Brazil) |
| DEIC | Districtwide Educational Improvement Council (school policy review group; El Paso Independent School District; El Paso, TX) |
| DEIC | Departament d'Enginyeria de la Informacio i de les Comunicacions (Spanish: Department of Information and Communications Engineering) |
| DEIC | Diocesan Ecumenical and Interfaith Commission (Adelaide, South Australia, Australia) |