DLC
- 5-Star (Stray Kids album)
- CAN bus
- Dalian Zhoushuizi International Airport
- Data Link Control
- Data link connector (automotive)
- Dead Letter Circus
- Democratic Leadership Council
- Development life cycle
- Diamond-like carbon
- Digital Liberty Coalition
- Digital loop carrier
- Dioxins and dioxin-like compounds
- Discrete logarithm cryptography
- Double-layer capacitor
- Downloadable content
- Dragonlance Classics
- Driver License Compact
- Dual-listed company
- Lot number