| Acronym | Meaning |
| SC | Cruiser Submarine (US Navy Hull Classification) - Saint Kitts And Nevis (FIPS 10-4 Country Code; From Saint Christopher) - Seychelles (ISO 3166 Digram) - South Carolina (postal Symbol) |
| PCIE | Peripheral Component Interconnect Express (computer Bus) |
| OS | Ossetic Language (ISO 639-1 Code) |
| SOE | Secret Of Evermore - Special Operations Executive (WWII British Organization) - State Of Emissions (EW) |
| HMO | Hiri Motu Language (ISO 639-2 Code) |
| SS | Swati Language (ISO 639-1 Code) |
| DA&M | (U.S.) Director |
| TUSK | Tank Urban Survival Kit |
| YMMV | Your Mileage May Vary |
| PIB | PolyIsoButylene |