| Abbreviation | Definition |
|---|---|
| KCO | King's Commissioned Officer |
| KCOIC | Korean Combat Operations and Intelligence Center |
| KD | Keyboard/Display |
| KDE | Key Doctrine Element |
| KDEC | Kinetic Energy Weapon Digital Emulation Center |
| KDF | Kenya Defence Force |
| KDJ | Kill Da Jerks |
| KDK | Kill Da Kommies |
| KDK | Krieg Der Kinder |
| KDM | Kill Da Muthers |
| KDR | Kill Da Russkies |
| KDR | Kill/Death Ratio |
| KDS | Kinetic Disintegration System |
| KE | Kinetic Energy |
| KEA | Key Exchange Algorithm |
| KEA | Kill the Enemies of America |
| KEG | Knowledge Engineering Group |
| KEM | Kill Every MuthaF**ker |
| KEM | Kinetic Energy Missile |
| KETM | Kill Everything That Moves |