| Acronym | Meaning |
| RWADA | Resident Weighted Average Daily Attendance (New York State Term Used In Public Education To Indicate The Size Of A School District |
| CLP | Chilean Peso (ISO 4217 Currency Code) -Common [Operating/Operational] Land Picture |
| NSS | (U.S.) Naval Simulation System |
| SESSPE | Submarine Escape And Surface Survival Personnel Equipment |
| IRS | U.S. Internal Revenue Service |
| IETF | Internet Engineering Task Force |
| SEU | Single Event Upset (solid State Physics) - Slightly Enriched Uranium - Special Evidence Unit |
| SNMP | Simple Network Management Protocol |
| QPS | Quark Publishing System |
| PDU | Police Dog Unit - Power Distribution Unit - Protocol Data Unit |