| Acronym | Meaning |
| IFO | Identified Flying Object (see Also UFO) |
| LLP | Limited Liability Partnership |
| JMS | Java Message Service |
| MARBEF | Marine Biodiversity And Ecosystem Functioning |
| SAE | Society Of Automotive Engineers - Stamped Addressed Envelope |
| MCC | Marylebone Cricket Club - Mission Control Centre - Movement Control Centre |
| PEPFAR | President's Emergency Plan For AIDS Relief |
| FF | Final Fantasy |
| UMCP | Unit Maintenance Collection Point |
| SIAM | Society For Industrial And Applied Mathematics |