| Acronym | Meaning |
| LKA | Sri Lanka (ISO 3166 Trigram) |
| FL | Femtolitre |
| PLGR | Precision Lightweight GPS Receiver (plugger) |
| TWN | Republic Of China (Taiwan) (ISO 3166 Trigram) |
| GY | Guyana (FIPS 10-4 Country Code; ISO 3166 Digram) |
| HRM | Human Resource Management |
| IP | Clipperton Island (FIPS 10-4 Territory Code) -Initial Point - Intellectual Property - Internet Protocol |
| CTMS | Clinical Trial Management System |
| LVA | Latvia (ISO 3166 Trigram) |
| QZ | Awair (IATA Airline Designator) |