| Acronym | Definition |
|---|
| GIO➣Government Information Office |
| GIO➣Giovedì (Italian: Thursday) |
| GIO➣Generic Interface for Operations |
| GIO➣Graphics Input Output |
| GIO➣General Input Output |
| GIO➣Global Innovation Outlook |
| GIO➣Government Insurance Office (Australia) |
| GIO➣General Insurance Ombudservice |
| GIO➣Geographic Information Officer |
| GIO➣Government Information Online |
| GIO➣Glucocorticoid Induced Osteoporosis |
| GIO➣Geting Information Out |
| GIO➣Guaranteed Insurability Option (life insurance) |
| GIO➣General purpose Input/Output |
| GIO➣Global Industrial Operation (GlaxoSmithKline) |
| GIO➣Gymnazium Ivana Olbrachta (Semily, CZ, high school) |
| GIO➣Green Investment Promotion Organization (Japan) |
| GIO➣Global Infrastructure Operations |
| GIO➣Game Interaction Object |
| GIO➣General Inspection Office (Iran) |