| Acronym | Definition |
|---|
| BCIO➣Bridge Club International Organization |
| BCIO➣Breast Cancer Imaging Ontology (various schools) |
| BCIO➣Brain Computer Interface Ontology |
| BCIO➣Beton Controle Industriel de l'Ouest (French: Concrete Industrial Control West) |
| BCIO➣Bledsoe Community Improvement Organization (est. 2012; Pikeville, TN) |
| BCIO➣Business Chief Information Officer (corporate title) |