| Acronym | Meaning |
| SF | Fleet Submarine (retired US Navy Hull Classification) -San Francisco - Science Fiction -South Africa (FIPS 10-4 Country Code) -Speculative Fiction - Special Forces |
| INLA | Irish National Liberation Army |
| SQL | Structured Query Language (seek-well) |
| GEV | Ground Effect Vehicle |
| WP | White Phosphorus (ammunition) |
| UNEP | United Nations Environment Programme |
| FF | Fula Language (ISO 639-1 Code) |
| LRU | Line-Replaceable Unit |
| SMO | Samoan Language (ISO 639-2 Code) |
| FAS | Persian Language (ISO 639-2 Code) |