| Acronym | Meaning |
| MRL | Multiple Rocket Launcher |
| FISH | Fluorescence In-Situ Hybridisation |
| ETF | Emergency Task Force (a Special Police Unit |
| ISK | Icelandic Krona (ISO 4217 Currency Code) |
| NISAC | U.S. National Infrastructure Simulation And Analysis Center |
| SIFF | Successor IFF |
| G3 | Many |
| CCOC | Canadian Children's Opera Chorus |
| PRM | Personnel Readiness Management |
| MR | Marathi Language (ISO 639-1 Code) |