| Abbreviation | Definition |
|---|---|
| OB | Organisational Behaviour |
| OB | Organization Behavior |
| OB | Organizational Behavior |
| OB | Outta Business |
| OBC | Outline Business Case |
| OBE | Other Business Enterprise |
| OBE | Our Best Ever |
| OBE | Outcome Based Evaluation |
| OBG | Oregon Business Guide |
| OBH | Outside Business Hours |
| OBI | Open Buying on the Internet |
| OBM | Open- Book Management |
| OBM | Open Business Management |
| OBM | Organizational Behavior Management |
| OBM | Own Brand Manufacturer |
| OBO | Or Best Offer |
| OBO | Ore-Bulk-Oil ship type |
| OBOD | Operational Board Of Directors |
| OBR | Old Badcompany Representatives |
| OBRO | Or Best Reasonable Offer |