| Acronym | Definition |
|---|
| SAIO➣Subacute Intestinal Obstruction |
| SAIO➣Stanford American Indian Organization (est. 1970; Stanford University; California) |
| SAIO➣South Africa Initiatives Office (University of Michigan) |
| SAIO➣SIGINT Applications and Integration Office |
| SAIO➣Senior Afloat Intelligence Officer |