| Acronym | Meaning |
 | NRA | National Rifle Association |
| JW | Jehovah's Witnesses |
| A2ATD OR A?ATD | Anti |
| COY | Company (military Unit) |
| NOAA | U.S. National Oceanic And Atmospheric Administration |
| RD | Radio Disney |
| ARC | Arc-second Raster Chart - Association For Retarded Citizens - Appalachian Regional Commission |
| RPA | Regional Plan Association |
| ISA | Individual Savings Account - Industry Standard Architecture - Instruction Set Architecture - International Seabed Authority |
| SE | Northern Sami Language (ISO 639-1 Code) |
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