| Acronym | Meaning |
| MISSI | Multilevel Information System Security Initiative |
| AE | Avestan Language (ISO 639-1 Code) |
| TW | Twi Language (ISO 639-1 Code) |
| PTAL | Public Transport Accessibility Level |
| FISH | Fluorescence In-Situ Hybridisation |
| ZN | Zettanewton |
| MH | Marshallese Language (ISO 639-1 Code) |
| UK | United Kingdom (alsoFIPS 10-4 Country Code) - University Of Kentucky |
| KG | Kyrgyzstan (FIPS 10-4 Country Code; ISO 3166 Digram) |
| DBA | De Bellis Antiquitatis (miniature Wargaming Rules) |