| Acronym | Meaning |
| ICZN | International Code Of Zoological Nomenclature - International Commission On Zoological Nomenclature |
| CISSP | Certified Information Systems Security Professional |
| TBGRI | Tropical Botanic Garden And Research Institute (India) |
| ZAMS | Zero Age Main Sequence |
| UFO | Unidentified Flying Object - United Farmers Of Ontario |
| PAK | Pakistan (ISO 3166 Trigram) |
| WASP | Short Form Of WAAAAP (Wind Atlas Analysis And Application Program) |
| CSK | Czechoslovakia (ISO 3166 Trigram; Obsolete Since 1993) |
| GMI | Generic Model Interface - Geometry Model Instance |
| NOW | National Organization For Women |