| Acronym | Meaning |
| CISB | Complete In Sealed Box (Internet Auction/trading Listings) |
| USD(AT&L) | (U.S.) Under-Secretary Of Defense For Acquisition |
| ME | Maine (postal Symbol) -Mechanical Engineer[ing] - Medical Examiner - Middle East -Middle East Airlines (IATA Code) -Memory Effect - Myalgic Encephalomyelitis |
| PBCK | Problem Between Chair And Keyboard (computer Help Desk In-joke) |
| INR | Indian Rupee (ISO 4217 Currency Code) |
| IPK | Inupiaq Language (ISO 639-2 Code) |
| AH | Attohenry |
| SSP | Submarine Transport (retired US Navy Hull Classification) |
| NF | Norfolk Island (ISO 3166 Digram) |
| SNA | Shona Language (ISO 639-2 Code) |