| Acronym | Meaning |
| PI | Pebi |
| ICZN | International Code Of Zoological Nomenclature - International Commission On Zoological Nomenclature |
| NS | Nova Scotia (postal Symbol) - Suriname (FIPS 10-4 Country Code) |
| FOB | Forward Operating Base |
| VACIS | Vehicle And Container Inspection System |
| AY | Antarctica (FIPS 10-4 Territory Code) |
| BHD | Bahraini Dinar (ISO 4217 Currency Code) |
| IOC | Initial Operational Capability - Intergovernmental Oceanic Commission - International Olympic Committee - International Ornithological Congress |
| LULU | Locally Unwanted Land Use (urbanism) |
| UAR | Uniformly At Random (probability) - United Arab Republic - Uni›n Argentina De Rugby (Spanish For Argentine Rugby Union) |