| Acronym | Meaning |
| NP | Neap Tide (nautical Charts) -Neptunium |
| TWD | Taiwan Dollar (ISO 4217 Currency Code) |
| BG | Bulgarian Language (ISO 639-1 Code) |
| ARTCC | Air Route Traffic Control Center |
| PDN | Pull-Down Network |
| BBL | Be Back Later - Bird Banding Laboratory - British Basketball League |
| PCMCIA | Personal Computer Memory Card International Association (People Can't Memorise Computer-Industry Acronyms) |
| ICTH | Island Closest To Heaven/Hell Final Fantasy VIII |
| GUT | Grand Unification Theory |
| NSDAP | Nationalsozialistische Deutsche Arbeiterpartei (German: German National Socialist Workers Party |