| OPE | Observations Per Epoch 
| Others |
| OPE | Office for Public Engagement
| Others |
| OPE | Office of Performance Evaluations
| Others |
| OPE | Office of Planning and Evaluation
| Others |
| OPE | Office of Policy and Efficiency
| Others |
| OPE | Office of Postsecondary Education
| Others |
| OPE | Office of Program Evaluation
| Others |
| OPE | Office of Public
| Others |
| OPE | Office of Public Engagement
| Others |
| OPE | Old People Early
| Others |
| OPE | Olivenhain Pioneer Elementary
| Others |
| OPE | OMERS Private Equity
| Others |
| OPE | One Photon Exchange
| Others |
| OPE | One Pion Exchange
| Others |
| OPE | One Public Estate
| Others |
| OPE | Online Photo Editor
| Others |
| OPE | Online Picture Editor
| Others |
| OPE | Only Postive Energy
| Others |
| OPE | Open Publishing Environment
| Others |
| OPE | Operational Preparation of The Environment
| Others |
| OPE | Operator Product Expansion
| Others |
| OPE | Optional Price Extra
| Others |
| OPE | Optiview Protocol Expert
| Others |
| OPE | Orange Park Elementary
| Others |
| OPE | Oregon Pacific and Eastern Railway Company
| Others |
| OPE | Oregon, Pacific and Eastern Railway
| Others |
| OPE | Orlando Predators Entertainment
| Others |
| OPE | Oshkosh Placement
| Others |
| OPE | Oshkosh Placement Exchange
| Others |
| OPE | Oskosh Placement Exhange
| Others |
| OPE | Other Payroll Expenses
| Others |
| OPE | Other People Enegy
| Others |
| OPE | Other People Energy
| Others |
| OPE | Other People's Experience
| Others |
| OPE | Other Peoples Experience
| Others |
| OPE | Other Project Element
| Others |
| OPE | Out-of-Pocket Expense
| Others |
| OPE | Outdoor Power Equipment
| Others |
| OPE | Outline Of Political Economy
| Others |
| OPE | Overall Performance Efficiency
| Others |
| OPE | Overall Plant Efficiency
| Others |
| OPE | Overall Production Effectiveness
| Others |
| OPE | Overseas Processing Entity
| Others |