| OS&E | Operating Supplies and Equipment 
| Others |
| OSE | Obras Sanitarias del Estado
| Others |
| OSE | Occupant Safety Exit
| Others |
| OSE | Occupational Science Europe
| Others |
| OSE | Oeuvre de secours aux enfants
| Others |
| OSE | Office of Special Education
| Others |
| OSE | Office of Special Enforcement
| Others |
| OSE | Office of Special Envoy
| Others |
| OSE | Office of State Ethics
| Others |
| OSE | Office of Statistics Evaluation
| Others |
| OSE | Office of Student Engagement
| Others |
| OSE | Office of Support Enforcement
| Others |
| OSE | Office of Surveillance and Epidemiology
| Others |
| OSE | Office of Sustainability and the Environment
| Others |
| OSE | Office of the State Employer
| Others |
| OSE | Office of the State Engineer
| Others |
| OSE | Office of/for Student Employment
| Others |
| OSE | Office Server Extensions
| Others |
| OSE | Office Source Engine
| Others |
| OSE | Offshore Software Engineering
| Others |
| OSE | Olympic Smart English
| Others |
| OSE | Oma Service Environment
| Others |
| OSE | Oman Society of Engineers
| Others |
| OSE | Omni Se
| Others |
| OSE | Omora, Papua New Guinea
| Others |
| OSE | On Scene Endurance
| Others |
| OSE | On-Site Evaluation
| Others |
| OSE | Online Solution Experts
| Others |
| OSE | Online State Estimation
| Others |
| OSE | Online Student Edition
| Others |
| OSE | Opel Southeast Europe
| Others |
| OSE | Open School East
| Others |
| OSE | Open Security Exchange
| Others |
| OSE | Open Service Environment
| Others |
| OSE | Open Servlet Engine
| Others |
| OSE | Open Shift Enterprise
| Others |
| OSE | Open Site Explorer
| Others |
| OSE | Open Source Ecology
| Others |
| OSE | Open Source Edition
| Others |
| OSE | Open Source Evolution
| Others |
| OSE | Open Source Excellence
| Others |
| OSE | Open Source in the Enterprise
| Others |
| OSE | Open Step Enterprise
| Others |
| OSE | Open Study in English
| Others |
| OSE | Open System Event
| Others |
| OSE | Open System in the Enterprise
| Others |
| OSE | Open Systems Environment
| Others |
| OSE | Operating Support Equipment
| Others |
| OSE | Operating System Embedded
| Others |
| OSE | Operating System Environment
| Others |
| OSE | Operations Simulations Engineer
| Others |
| OSE | Operations Support Element
| Others |
| OSE | Ophthalmological Society of Egypt
| Others |
| OSE | Oracle Servlet Engine
| Others |
| OSE | Orbital Sampling Effect
| Others |
| OSE | Orbital Support Equipment
| Others |
| OSE | Orbiter Support Equipment
| Others |
| OSE | Organize Search Engine
| Others |
| OSE | Orient Semiconductor Electronics
| Others |
| OSE | Orientation and Services for Employment
| Others |
| OSE | Original Sound Entertainment
| Others |
| OSE | Original Special Edition
| Others |
| OSE | Oryza Sativa E-journal
| Others |
| OSE | Oryza Sativa Embryo
| Others |
| OSE | Oryza Sativa Embryogenesis
| Others |
| OSE | Osaka Securities Exchange
| Others |
| OSE | Oslo Stock Exchange
| Others |
| OSE | Other Side of Europe
| Others |
| OSE | Outback Se
| Others |
| OSE | Outer South East
| Others |
| OSE | Outlander Se
| Others |
| OSE | Outside the Scope of the Expression
| Others |