| Acronym | Definition |
|---|
| CIOR➣Confédération Interalliée des Officiers de Réserve |
| CIOR➣Chief's Internal Organizational Review (Canada) |
| CIOR➣Crew Irregular Operations Report (aviation) |
| CIOR➣Centro de Investigaciones de Oriente (Guatemala) |
| CIOR➣Cast-Iron Oval Roaster (cookware) |
| CIOR➣Confidence Intervals of Odds Ratio |