| Acronym | Meaning |
| GA | Irish Language (ISO 639-1 Code) |
| LGM | Little Green Men |
| JWARS | Joint Warfare System (simulation) |
| ABCS | (U.S.) Army Battle Command System |
| CFI | Center For Inquiry (CSICOP) |
| ABRSM | Associated Board Of The Royal Schools Of Music |
| TL | Tagalog Language (ISO 639-1 Code) |
| QUIET | Q And U Imaging ExperimenT (Q And U Are The Stokes Parameters Of The CMBR Polarization) |
| WSDL | Web Services Description Language |
| AGN | Active Galactic Nucleus |