| Acronym | Meaning |
| FIPS | Federal Information Processing Standard |
| LOL | Laughing Out Loud (Internet Short-hand) |
| MDA | Main Defensive Action/Area -Moldova (ISO 3166 Trigram) - Muscular Dystrophy Association |
| USPTO | United States Patent And Trademark Office |
| FJI | Fiji (ISO 3166 Trigram) |
| CCSCS | Consultative Committee For Space Data Systems |
| JL | Japan Airlines (IATA Airline Designator) |
| ESA | Electro-Spark Alloying - Endangered Species Act - European Space Agency |
| PVC | Permanent Virtual Circuit - PolyVinyl Chloride - Premature Ventricular Contraction - Primary Visual Cortex |
| LB | Lebanon (ISO 3166 Digram) |