| GA&C | Google Arts and Culture 
| Others |
| GAC | A Global Appdomain Cache
| Others |
| GAC | Gaia Avatar Creator
| Others |
| GAC | Galactic Alliance Credit
| Others |
| GAC | Gamaliel Audrey Cantika
| Others |
| GAC | Gamers Action Committe
| Others |
| GAC | Games Administration Committee
| Others |
| GAC | Gary A Cornell
| Others |
| GAC | General Access Copy
| Others |
| GAC | General Advisory Committee
| Others |
| GAC | General Affairs Council
| Others |
| GAC | General Artificial Consciousness
| Others |
| GAC | General Automotive Company
| Others |
| GAC | General Aviation Center
| Others |
| GAC | Generic Agrichemical Company
| Others |
| GAC | Generic Application Concept
| Others |
| GAC | Generic Artificial Conciousness
| Others |
| GAC | Generic Artificial Consciousness
| Others |
| GAC | Generous Adventurous Curious
| Others |
| GAC | Genetic Algorithm Console
| Others |
| GAC | Geological Association of Canada
| Others |
| GAC | George Armstrong Custer
| Others |
| GAC | Georgia Accrediting Commission
| Others |
| GAC | Gerardo Andres Cisneros
| Others |
| GAC | Get A Clue
| Others |
| GAC | Gilmore Andrew Come
| Others |
| GAC | Girls Auto Clinic
| Others |
| GAC | Global Accreditation Center
| Others |
| GAC | Global Affairs Canada
| Others |
| GAC | Global Affairs Center
| Others |
| GAC | Global Application Cache
| Others |
| GAC | Global Architecture for Compact Vehicles
| Others |
| GAC | Global Area Coverage
| Others |
| GAC | Global Assembly Cache
| Others |
| GAC | Global Assessment Certificate
| Others |
| GAC | Global Attribute Classification
| Others |
| GAC | Global Audio Control
| Others |
| GAC | Global Auto Components
| Others |
| GAC | Global Automakers of Canada
| Others |
| GAC | Global Automotive Center
| Others |
| GAC | Global Automotive Conference
| Others |
| GAC | Gloster Aircraft Company
| Others |
| GAC | Golden Artist Colors
| Others |
| GAC | Golden Artist Colours
| Others |
| GAC | Goodyear Auto Care
| Others |
| GAC | Google Advertising Certification
| Others |
| GAC | Google Algorithm Changes
| Others |
| GAC | Google Algorithm Component
| Others |
| GAC | Google Analytics Certification
| Others |
| GAC | Google Analytics Clean-Up
| Others |
| GAC | Google Analytics Cookie
| Others |
| GAC | Gorrilla Art Cooperative
| Others |
| GAC | Govermental Affairs Committee
| Others |
| GAC | Government Affairs Committee
| Others |
| GAC | Governmental Advisory Committee
| Others |
| GAC | Governmental Affairs Conference
| Others |
| GAC | Governors America Corp
| Others |
| GAC | Gracias, Honduras
| Others |
| GAC | Gradient Acceleration Control
| Others |
| GAC | Grand American Championship
| Others |
| GAC | Grand American Cup Series
| Others |
| GAC | Grants And Contracting
| Others |
| GAC | Granular Activated Carbon
| Others |
| GAC | Granular Actived Carbon
| Others |
| GAC | Graphic Adventure Creator
| Others |
| GAC | Gratitude Adjective Checklist
| Others |
| GAC | Great American Conference
| Others |
| GAC | Great American Country
| Others |
| GAC | Great At Choking
| Others |
| GAC | Great Awesome Cool
| Others |
| GAC | Greater Atlanta Christian
| Others |
| GAC | Greek And Coptic
| Others |
| GAC | Greensboro Aquatic Center
| Others |
| GAC | Grid Access Charge
| Others |
| GAC | Ground Assault Convoy
| Others |
| GAC | Ground Attitude Control
| Others |
| GAC | Groupement Amical des Concessionnaires
| Others |
| GAC | Groupement des Agents Citroen
| Others |
| GAC | Grumman Aerospace Corporation
| Others |
| GAC | Guangzhou Automobile College
| Others |
| GAC | Guangzhou Automobile Company
| Others |
| GAC | Guard Activated Column
| Others |
| GAC | Guardian Angel Club
| Others |
| GAC | Guardianship and Advocacy Commission
| Others |
| GAC | Guidelines Advisory Committee
| Others |
| GAC | Guilty As Charged
| Others |
| GAC | Gulf Agency Company
| Others |
| GAC | Gulfstream Aircraft Corporation
| Others |
| GAC | Gustavus Adolphus College
| Others |