| Acronym | Definition |
|---|
| OCD | Obsessive-Compulsive Disorder |
| OCD | Ortho Clinical Diagnostics, Inc |
| OCD | Operational Concept Description |
| OCD | Optical Critical Dimension (metrology) |
| OCD | Out of Cell Delineation |
| OCD | Ocean Chemistry Division |
| OCD | Ordre des Cols Durs (France cycling club) |
| OCD | Off Campus Dons |
| OCD | Obsessive Cullen Disorder |
| OCD | Object Component Desktop |
| OCD | Optical Concentration Device |
| OCD | Optical Communications Demonstrator |
| OCD | Obscure Character of the Day |
| OCD | Overseas Control Date |
| OCD | Offensive Central Defender (gaming) |
| OCD | Over-Constrained Dispatch |
| OCD | Optimal Coherent Decomposition |
| OCD | Occupational Cerviobrachial Disorder |
| OCD | Optically Coupled Device |
| OCD | Order Configuration and Distribution |
| OCD | Ordnance Clearance Detachment |
| OCD | Over-Complete Dictionary |
| OCD | Operations Capability Development |
| OCD | Obsessive Clinton Disorder (humor) |
| OCD | Oil Content Detector |
| OCD | Over Cleaning Disorder (humor) |
| OCD | Operations Control Directive (NASA) |
| OCD | Obsessive Comics Disorder |
| OCD | Operational Control Document |
| OCD | Ordnance Classification of Defects |
| OCD | Ordered Constant Depth |
| OCD | Offshore Centre Denmark |
| OCD | Office of Commonwealth Development (Massachusetts) |
| OCD | Office of Civilian Defense (USA) |
| OCD | Oahu Civil Defense (Hawaii) |
| OCD | Operational Concept Document |
| OCD | Officer Career Development |
| OCD | Osteochondritis Dissecans |
| OCD | Oil Conservation Division |
| OCD | Operator Control Display (AEGIS Combat Training System ACTS) |
| OCD | On Chip Debugger |
| OCD | Okanogan Conservation District |
| OCD | Optionally Convertible Debenture (finance) |
| OCD | Online Course Development (various universities) |
| OCD | Office of Community Development (USDA) |
| OCD | Osteochondral Defect |
| OCD | Official Catholic Directory |
| OCD | Office of Child Development |
| OCD | Office of Coal Development |
| OCD | Offshore and Coastal Dispersion |
| OCD | Oxygen Conserving Device (various companies) |
| OCD | Oxford Classical Dictionary |
| OCD | Office of Civil Defense |
| OCD | Operational Capability Demonstration |
| OCD | Organized Crime Division |
| OCD | Obsessive Castle Disorder |
| OCD | Office of the Center Director |
| OCD | Over the Counter Drugs |
| OCD | Order of Discalced Carmelites (Catholic Order; The Secular Order of Carmel) |
| OCD | Organizing for Community Development |
| OCD | Off-Chip Driver |