| Acronym | Meaning |
| QUIET | Q And U Imaging ExperimenT (Q And U Are The Stokes Parameters Of The CMBR Polarization) |
| C2IS OR C?IS | Command And Control Information System |
| LULU | Locally Unwanted Land Use (urbanism) |
| FIC | Fellowship For Intentional Community |
| FEMA | U.S. Federal Emergency Management Agency |
| AFSC | U.S. Air Force Staff College (obsolete; Replaced With JFSC). - U.S. Air Force Systems Command |
| TOMS | Total Ozone Mapping Spectrometer (satellite Instrument) |
| CPG | Clinical Practice Guideline |
| DCAS | Devon And Cornwall Archery Society |
| NFC | National Football Conference |