| Acronym | Meaning |
| PTAL | Public Transport Accessibility Level |
| BEO | Banquet Event Order |
| FORTRAN | The IBM Mathematical FORmula TRANslating System (programming Language) |
| AHS | American Housing Survey |
| ETH | Ethiopia (ISO 3166 Trigram) |
| STI | Sexually Transmitted Infection - Subaru Tecnica International |
| ELSS | Emergency Life Support Stores |
| KCL | King's College London |
| J5 | Joint Strategic Plans & Policy Directorate |
| MBBL | (U.S. Armor Center) Mounted Battlespace Battle Laboratory |