| Acronym | Definition |
|---|
| GDO | Golf Digest Online (Japan) |
| GDO | Garage Door Opener |
| GDO | Gross Domestic Output |
| GDO | Grande Distribuzione Organizzata (Italian: Large Retail Organization) |
| GDO | Global Development Organization |
| GDO | Ground Duty Officer (India) |
| GDO | Global Data Object |
| GDO | General Development Order |
| GDO | Great Design Options (London, England, UK) |
| GDO | Grid Dip Oscillator |
| GDO | Girls' Day Out |
| GDO | Guaranteed Day Off |
| GDO | Group Duty Officer |
| GDO | Groups.Drupal.Org (user-group electronic mailing list portal) |
| GDO | Green Day Online |
| GDO | Gas Distribution Office |
| GDO | Goal Driven Optimization |
| GDO | Greg Denard Orchestras |
| GDO | Gender Disorientation Organization |