| GAR | Gallatin Association of REALTORS 
| Others |
| GAR | Gamers Against Racism
| Others |
| GAR | Garaina, Papua New Guinea
| Others |
| GAR | Gateway Access Request
| Others |
| GAR | General Accounting Rate
| Others |
| GAR | General Accounts Receivable
| Others |
| GAR | General Application Release
| Others |
| GAR | General Automobile Regulations
| Others |
| GAR | Generally Accepted Recordkeeping
| Others |
| GAR | Georgia Association of Realtors
| Others |
| GAR | Get A Room
| Others |
| GAR | Global Alert and Response
| Others |
| GAR | Global Arbitration Review
| Others |
| GAR | Global Assessment Report
| Others |
| GAR | Glycine Arginine Rich
| Others |
| GAR | Golden Agri Resources
| Others |
| GAR | Government Assisted Refugee
| Others |
| GAR | Grand Am Registry
| Others |
| GAR | Grand Army of the Republic
| Others |
| GAR | Gratitude Attitude and Readiness
| Others |
| GAR | Great Aloha Run
| Others |
| GAR | Great American Race
| Others |
| GAR | Great American Restaurants
| Others |
| GAR | Green Amber and Red
| Others |
| GAR | Green Area Ratio
| Others |
| GAR | Gross Anatomy Radiology
| Others |
| GAR | Group Annuity Reserving
| Others |
| GAR | Groupement des Agents Renault
| Others |
| GAR | Grupos Antiterroristas Rurales
| Others |
| GAR | Guaranteed Annuity Rate
| Others |
| GAR | Guaranteed Asset Return
| Others |
| GAR | Guided Aircraft Rocket
| Others |
| GAR | Gymnastic Academy of Rockford
| Others |
| GAR | Gymnastics Academy of Rockford
| Others |