| 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) |