| Acronym | Meaning |
| BN | Brunei (ISO 3166 Digram; FIPS 10-4 Country Code) |
| ISAR | Inverse SAR (Synthetic Aperture Radar) |
| ASCAP | American Society Of Composers |
| OOP | Object-Oriented Programming - Out Of Print |
| ADATS | Agricultural Development And Training Society - Air Defence Anti-Tank System - Australian Defence Air Traffic System |
| ABL | American Basketball League |
| ST | Saint Lucia (FIPS 10-4 Country Code) - S?o Tom? And PrĀncipe (ISO 3166 Digram) |
| SPQR | Senatus Populus Que Romanus (Latin The Senate And The People Of Rome) |
| MBCS | Multi-Byte Character Set |
| COMECON | Council For Mutual Economic Assistance (economic Counterpart Of The Warsaw Pact |