| Acronym | Meaning |
| IPN | Instytut Pamieci Narodowej (Polish |
| POR | Portuguese Language (ISO 639-2 Code) |
| SHRA | Rain Showers (METAR Code) |
| NAGPRA | Native American Graves Protection And Repatriation Act |
| NOMBO | Non-mine |
| WRBWWRM | We Read Best What We Read Most |
| GULCR | Grupo De Usuarios De Linux De Costa Rica |
| AFV | Armoured Fighting Vehicle |
| NHS | National Health Service (UK) |
| GG | Georgia (FIPS 10-4 Country Code) |