| Acronym | Meaning |
| SMG | Sequential Motorsport Gearbox - SubMachine Gun |
| PHA | PolyHydroxyAlkanoate -Potentially Hazardous Asteroid |
| RSPCA | Royal Society For The Prevention Of Cruelty To Animals |
| IND | Indonesian Language (ISO 639-2 Code) |
| AAI | Applied Artificial Intelligence |
| NRTA | National Thoroughbred Racing Association - National Rat Terrier Association - National Retail Tenants Association - National Retired Teachers Association - Northwest Regional Transmission Association |
| KM | Comoros -Knowledge Management |
| SUI | Sonic User Interface |
| HO | Honduras (FIPS 10-4 Country Code) |
| HL | Holding Line |