| Acronym | Definition |
|---|
| GAP | GTPase Activating Protein (biology, biochemistry) |
| GAP | Garmisch-Partenkirchen (Germany) |
| GAP | Government Accountability Project |
| GAP | Global Action Plan |
| GAP | Guaranteed Asset Protection |
| GAP | Gap Analysis Program |
| GAP | Good Agricultural Practice |
| GAP | Georgia Power |
| GAP | Generic Access Profile (Bluetooth, DECT) |
| GAP | Guaranteed Auto Protection (insurance) |
| GAP | Group for the Advancement of Psychiatry |
| GAP | Genocide Awareness Project (abortion) |
| GaP | Gallium Phosphide |
| GAP | Gemeinsame Agrarpolitik (German: Common Agricultural Policy / European Commission, aka: CAP) |
| GAP | Growth Associated Protein (biochemistry, neuroscience) |
| GAP | Global AIDS Program |
| GAP | Global Access Project |
| GAP | Groups, Algorithms and Programming (mathematical software related to Computational Group Theory) |
| GAP | Gamer Advisory Panel |
| GAP | God Answers Prayer |
| GAP | Great Allegheny Passage (biking and hiking trail) |
| GAP | General Atlantic Partners |
| GAP | Golf Association of Philadelphia |
| GAP | Great Ape Project (Seattle, WA) |
| GAP | Group for Alternative Policies |
| GAP | Integrated Taxonomic Information System |
| GAP | Guaranteed Access Plan |
| GAP | Generic Address Parameter |
| GAP | Gay And Proud |
| GAP | Gesellschaft für Analytische Philosophie |
| GAP | Glyceraldehyde-Phosphate |
| GAP | Guyana Action Party |
| GAP | General Aviation Propulsion |
| GAP | Güneydogu Anadolu Projesi (Southeastern Anatolian Project) |
| GAP | Girls Advocacy Project |
| GAP | Glock Automatic Pistol |
| GAP | Glycidyl Azide Polymer |
| GAP | Generic Access Protocol |
| GAP | Group of Applied Physics (Geneva University; Switzerland) |
| GAP | Gallium Phosphate |
| GAP | Proletarian Action Group (Martinique) |
| GAP | Global Aging Program (AARP) |
| GAP | Commission on Government Accountability to the People (Florida) |
| GAP | General Assembly Program |
| GAP | Graduate Assistance Program |
| GAP | Global Academic Partnership |
| GAP | Generateur Automatique de Programmes (French: Report Program Generator) |
| GAP | Gateway Access Protocol (Xerox) |
| GAP | Gate Assignment Problem (aviation) |
| GAP | Graffiti Art Programming (Canada) |
| GAP | Good Analytical Practice |
| GAP | Guildford Archiving Project (LSHTM) |
| GAP | Government Accountability Program |
| GAP | Geographical Address Parity |
| GAP | Gully Assessment Procedure |
| GAP | General Accounting Procedure |
| GAP | Garantie d'Actif et de Passif (French) |
| GAP | Greek American Princess |
| GAP | Gel Analysis Program |
| GAP | Growers Action Planner (Australia) |
| GAP | Ganga River Action Plan |
| GAP | Guidance Application Program |
| GAP | Generalized Availability Program (satellite communications availability calculation tool) |
| GAP | Geophysical Abstracts In Press |
| GAP | Gridded Airfield Photograph |
| GAP | Global Asset Positioning |
| GAP | Guideline Appraisal Project |
| GAP | Gun-Fired Antitank Projectile |
| GAP | Girls Adventure Program |
| GAP | Global Analysis Point |
| GAP | General Area Plot |