GAO
| Acronym | Definition |
|---|---|
| GAO | Government Accountability Office (formerly General Accounting Office) |
| GAO | General Accounting Office (now Government Accountability Office) |
| GAO | Governmental Affairs Office (various organizations) |
| GAO | Garfunkel and Oates (band) |
| GAO | General Accounting Office |
| GAO | Georgia Advocacy Office |
| GAO | Golf Association of Ontario (Canada) |
| GAO | Game Advertising Online (network) |
| GAO | General Administration Office |
| GAO | Goal Achievement Objective |