| Acronym | Meaning |
| LKA | Sri Lanka (ISO 3166 Trigram) |
| EIS | Environmental Impact Statement |
| NN | Norwegian Nynorsk Language (ISO 639-1 Code) |
| UDP | User Datagram Protocol |
| CJ | Cayman Islands (FIPS 10-4 Country Code) -Criminal Justice |
| FUL | Fula Language (ISO 639-2 Code) |
| FIFRA | Federal Insecticide |
| RN | Radon -Registered Nurse (USA) |
| D | Deuterium |
| SB | Antimony (Latin Stibium) |