| GAP | Gun Aiming Post | military |
| GAP | Gusap Airport | IATA Airport Code |
| GAP | Gamblers Assistance Program | Community abbreviations |
| GAP | Gifts And Presents | Community abbreviations |
| GAP | Girls Against Prejudice | Community abbreviations |
| GAP | Global Activity Projects | Community abbreviations |
| GAP | Global Awareness Programme | Community abbreviations |
| GAP | Global Awareness Project | Community abbreviations |
| GAP | Guidance Assistance Program | Community abbreviations |
| GAP | Gender Action Plan | Educational abbreviations |
| GAP | Generating Academic Performance | Educational abbreviations |
| GAP | Generating Academic Potential | Educational abbreviations |
| GAP | Georgia Assessment Project | Educational abbreviations |
| GAP | Ginninderra Alternative Program | Educational abbreviations |
| GAP | Grab A Pen | Educational abbreviations |
| GAP | Group Assessment Program | Educational abbreviations |
| GAP | Growth and Afro-centric Program | Educational abbreviations |
| GAP | Grumbling Abatement Program | Educational abbreviations |
| GAP | Guardian Angel Project | Educational abbreviations |
| GAP | Gap Analysis Project | Electronics abbreviations |
| GAP | Game Availability Page | computing abbreviations and acronyms |
| GAP | Generalized Area Partitioning | computing abbreviations and acronyms |
| GAP | Generate And Print | computing abbreviations and acronyms |
| GAP | Gimp Animation Package | computing abbreviations and acronyms |
| GAP | Global Access Project | computing abbreviations and acronyms |
| GAP | Global Attention Profile | computing abbreviations and acronyms |
| GAP | GSM Applications and Products | computing abbreviations and acronyms |
| GAP | Geographic Analysis Project | Military abbreviations |
| GAP | Geographic Approach to Planning | Military abbreviations |
| GAP | Glock Automatic Pistol | Military abbreviations |
| GAP | Go Away Pakis | Military abbreviations |
| GAP | Gross Aggregate Position | Military abbreviations |
| GAP | Group Advisory Panel | Military abbreviations |
| GAP | Global Aid Partners | Non-Profit Organizations |
| GAP | Guild Alliance Program | Non-Profit Organizations |
| GAP | Gap Analysis Program | software abbreviations and acronyms |
| GAP | Geographic Analysis Program | software abbreviations and acronyms |
| GAP | Graphic Analyzer Program | software abbreviations and acronyms |
| GAP | Games, Activities, and Puzzles | sports abbreviations |
| GAP | Gather And Play | sports abbreviations |
| GAP | Gets A Prize | sports abbreviations |
| GAP | Great Adventure People | sports abbreviations |
| GAP | Gender And Policies | University abbreviations |
| GAP | Good Agricultural Practices | University abbreviations |
| GAP | Graduates And Professionals | University abbreviations |
| GAP | Great Ape Project | University abbreviations |
| GAP | Groups, Algorithms, and Programming | University abbreviations |
