| Acronym | Definition |
|---|
| DCTA➣Departamento de Ciência e Tecnologia Aeroespacial (Portuguese: Department of Aerospace Science and Technology; Brazil) |
| DCTA➣Denton County Transportation Authority (Texas) |
| DCTA➣Denver Classroom Teachers Association (Denver, CO) |
| DCTA➣Digital Coding & Tracking Association (trade) |
| DCTA➣Diaminocyclohexanetetraacetic Acid (chelating agent) |
| DCTA➣Dorchester County Taxpayers Association (South Carolina) |
| DCTA➣DeSoto County Teachers Association |
| DCTA➣Defense Clothing and Textiles Agency |