| OS&D | Over, Short, and Damaged 
| Others |
| OSD | Object Storage Daemon
| Others |
| OSD | Object Storage Device
| Others |
| OSD | Obsessive Sneaker Disorder
| Others |
| OSD | Occupational Skill Development
| Others |
| OSD | Ocean Sampling Day
| Others |
| OSD | of the Secretary of Defense
| Others |
| OSD | Office for Students with Disabilities
| Others |
| OSD | Office of Scholar Development
| Others |
| OSD | Office of Student Development
| Others |
| OSD | Office of Supplier Diversity
| Others |
| OSD | Office of Suspension and Debarment
| Others |
| OSD | Office of Systems Development
| Others |
| OSD | Office of the Secretary of Defense
| Others |
| OSD | Office of the Secretary of Defense; Over, Short and Damaged Report
| Others |
| OSD | Officer on Special Duty
| Others |
| OSD | Ogden School District
| Others |
| OSD | Ohio School for the Deaf
| Others |
| OSD | Oil Spill Detection
| Others |
| OSD | Oklahoma School for the Deaf
| Others |
| OSD | Old School Democrat
| Others |
| OSD | Old Settlers Days
| Others |
| OSD | Old Settlers' Days
| Others |
| OSD | Olympia School District
| Others |
| OSD | On Screen Data
| Others |
| OSD | On Screen Display
| Others |
| OSD | On Scren Display
| Others |
| OSD | On-Screen Display
| Others |
| OSD | On-screen System Display
| Others |
| OSD | One Shot Deal
| Others |
| OSD | Open Server Dimension
| Others |
| OSD | Open Shelter Decker
| Others |
| OSD | Open Software Description
| Others |
| OSD | Open Software Distribution
| Others |
| OSD | Open Source Day
| Others |
| OSD | Open Source Definition
| Others |
| OSD | Open Source Developers
| Others |
| OSD | Open Source Development
| Others |
| OSD | Open Source Device
| Others |
| OSD | Open Stack Days
| Others |
| OSD | Open Systems Directive
| Others |
| OSD | Operating Strength Deviation
| Others |
| OSD | Operating System Deployment
| Others |
| OSD | Operating System Development
| Others |
| OSD | Operational Sequence Diagram
| Others |
| OSD | Operational Services
| Others |
| OSD | Operational Services Division
| Others |
| OSD | Operational Specification Document
| Others |
| OSD | Operational Support Document
| Others |
| OSD | Ophthalmic Squeeze Dispenser
| Others |
| OSD | Opportunity School District
| Others |
| OSD | Optical Storage Device
| Others |
| OSD | Optical Surface Dirt
| Others |
| OSD | Optimal Speaker Design
| Others |
| OSD | Order for Snapes Defence
| Others |
| OSD | Oregon School District
| Others |
| OSD | Oregon School for the Deaf
| Others |
| OSD | Organization and Staff Development
| Others |
| OSD | Organizational Skill Development
| Others |
| OSD | Orientation and Script Detection
| Others |
| OSD | Original Schedule Date
| Others |
| OSD | Original Start Date
| Others |
| OSD | Original Story Debate
| Others |
| OSD | Ortho Sanit Diffusion
| Others |
| OSD | Oscillator Strength Distribution
| Others |
| OSD | Osgood Schlatter Disease
| Others |
| OSD | Osgood-Schlatter Disease
| Others |
| OSD | Osteoporose Selbsthilfegruppen Dachverband
| Others |
| OSD | Othello School District
| Others |
| OSD | Otomotiv Sanayicileri Derneginin
| Others |
| OSD | Out of System & Damages
| Others |
| OSD | Outdoor Speaker Depot
| Others |
| OSD | Outside Source Design
| Others |
| OSD | Outsourced Software Development
| Others |
| OSD | Over-Sampling Depth
| Others |
| OSD | Overages, Shortages, and Damages
| Others |
| OSD | Overall Stopping Distance
| Others |
| OSD | Overlaid On-screen Display
| Others |
| OSD | Overseas Delivery Program
| Others |
| OSD | Overtaking Sight Distance
| Others |
| OSD | Oxford School District
| Others |
| OSD | Oxnard School District
| Others |
| OSD | Oxnard School District's
| Others |