| Acronym | Definition |
|---|
| DCT | Discrete Cosine Transform |
| DCT | Dictionary (File Name Extension) |
| DCT | Dreams Come True (UK charity) |
| DCT | Distal Convoluted Tubule(s) |
| DCT | Dream Come True |
| DCT | DC Talk (Christian band) |
| DCT | Digital Cordless Telephone |
| DCT | Digital Cable Terminal |
| DCT | Daily Conditioning Treatment |
| DCT | Digital Consumer Terminal |
| DCT | Departamento de Cooperação Científica, Técnica e Tecnológica (Portugese: Department of Scientific and Technological Subjects) |
| DCT | Digital Communications Terminal |
| DCT | Destination Control Table (CICS) |
| DCT | Direct Cosine Transform |
| DCT | Digital Carrier Trunk |
| DCT | Database Configuration Tool |
| DCT | Disabled Children's Team (UK) |
| DCT | Dominated Convergence Theorem |
| DCT | Donations Coordination Team (FEMA) |
| DCT | Digital Cellular Technology |
| DCT | Design Cycle Time |
| DCT | Director Control Tower |
| DCT | Depth Charge Thrower |
| DCT | Design, Code, Test |
| DCT | Differential Current Transformer |
| DCT | Data Calling Tone |
| DCT | Dunwoody College of Technology (Minneapolis, Minnesota) |
| DCT | Dynamic Call-Tree |
| DCT | Direct-Conversion Transceiver |
| DCT | Digital Control Technology |
| DCT | Deputy Clerk Treasurer |
| DCT | Desktop Computer Terminal |
| DCT | Depth Control Tank |
| DCT | Disturbance Control Teams |
| DCT | Damage Control Text |
| DCT | Dennistoun Community Together (UK) |
| DCT | Deep Cone Thickener |
| DCT | Direct Current Transducer |
| DCT | DPAS Control Terminal |
| DCT | Disaster Control Team |
| DCT | Detection, Classification & Targeting |
| DCT | Distribuidora Comercial Terminal (Guatemala) |
| DCT | Developmental Certification Testing |
| DCT | Dynamic Combat Training |
| DCT | Distraction-Conflict Theory (psychology) |
| DCT | Data Capture Technologies Inc |
| DCT | Divine Command Theory (ethics) |
| DCT | Draft Constitutional Treaty (EU) |
| DCT | Department of Chemical Technology (various schools) |
| DCT | Division du Contrôle Technique (French: Technical Control Division) |
| DCT | Démarche Collective Territorialisée (French: Territorialized Collective Approach) |