| Acronym | Meaning |
| RRSP | Registered Retirement Savings Plan (Canada; Roughly Equivalent To The IRA In The U.S.) |
| JK | Jedi Knight - Just Kidding -Spanair (IATA Airline Designator) |
| HL | Holding Line |
| PWLC | PieceWise Linear And Concave/Convex (describing A Mathematical Function) |
| G | CSF -Granulocyte Colony-Stimulating Factor |
| CNE | Canadian National Exhibition - Computer Network Exploitation - Certified Network Engineer |
| SPL | #NAME? |
| NODEF | NATO Oceanographic Data Exchange Format |
| SDS | Students For A Democratic Society |
| USDOE | United States Department Of Energy |