| Acronym | Meaning |
| OBC | Off-Boresight Compensation |
| OBC | Office of Bar Counsel |
| OBC | Officer Basic Course |
| OBC | Officer Billet Code |
| OBC | Ohio Building Code (construction regulations) |
| OBC | Ontario Building Code |
| OBC | Open Birth Certificates (adoption) |
| OBC | Optical Bench Enclosure (NASA) |
| OBC | Outline Business Case (UK government procurement) |
| OBC | Overseas Basing Commission |
| OBC | Overseas Briefing Center |