CSTO
| Acronym | Definition |
|---|---|
| CSTO | Collective Security Treaty Organization |
| CSTO | Computing Systems Technology Office |
| CSTO | Country Standard Technical Order |
| CSTO | Computer Systems Technology Office |
| CSTO | Chief Science and Technology Officer (various organizations) |
| CSTO | Configuration Standard Technical Order |
| CSTO | Chief Student Training Officer |
| CSTO | Country-Specific Technical Order |