| Acronym | Meaning |
| ST | Saint Lucia (FIPS 10-4 Country Code) - S?o Tom? And PrĀncipe (ISO 3166 Digram) |
| CDM | Clean Development Mechanism (Kyoto Protocol) - Cold Dark Matter (astronomy) |
| MIMPT | Member Of The Institute Of Maxillofacial Prosthetists And Technologists |
| EGP | Egyptian Pound (ISO 4217 Currency Code) |
| NOSA | NATO OSI Security Architecture |
| WGS 84 | World Geodetic System 1984 |
| UFC | Ultimate Fighting Championship |
| FS | Femtosiemens |
| ICNAF | International Commission For The Northwest Atlantic Fisheries (became NAFO In 1978) |
| RUSI | Royal United Services Institute For Defence Studies |