| Acronym | Meaning |
| SHP | Saint Helena Pound (ISO 4217 Currency Code) |
| FJ | Femtojoule |
| MIA | Missing In Action |
| LKA | Sri Lanka (ISO 3166 Trigram) |
| OS | Ossetic Language (ISO 639-1 Code) |
| CCK | Cholecystokinin -Cocos (Keeling) Islands (ISO 3166 Trigram) |
| NAN | Not A Number (computing) |
| USNS | United States Naval Ship |
| NGH | Northern General Hospital |
| ACM | Many |