| Acronym | Meaning |
| ILC | International Law Commission - International Linear Collider |
| PDF | Panama[nian] Defense Forces (abolished 1990) - Portable Document Format - Principal Direction Of Fire |
| LUT | Limited User Test(ing) - Local User Terminal |
| UNAIDS | Joint United Nations Programme On HIV/AIDS |
| SMO | Samoan Language (ISO 639-2 Code) |
| GNP | Gross National Product |
| MT | Millitesla |
| TR | Turkey (ISO 3166 Digram) |
| IPN | Instytut Pamieci Narodowej (Polish |
| GPT | GEC-Plessey Telecommunications - General Purpose Technology - Get Paid To Website |