DECU
| Acronym | Definition |
|---|---|
| DECU | Digital Engine Control Unit |
| DECU | Delta Employees Credit Union (now Delta Community Credit Union) |
| DECU | Detroit Edison Credit Union (Plymouth, MI) |
| DECU | Decatur Earthmover Credit Union (Decatur, IL) |
| DECU | Department of Entomology, Cornell University (Ithaca, NY) |
| DECU | Developmental and Educational Communication Unit (India) |