| Abbreviation | Definition |
|---|---|
| ODEQ | Oklahoma Department of Environmental Quality |
| ODF | Oregon Department of Forestry |
| ODH | Ohio Department of Health |
| ODI | Office of Diversity and Inclusion |
| ODI | Ohio Department of Insurance |
| ODL | Oklahoma Department of Libraries |
| ODOL | Oklahoma Department of Labor |
| ODSP | Ontario Disability Support Program |
| OEA | Office of the Employer Adviser |
| OEB | Ontario Energy Board |
| OEG | Office For Excellence In Government |
| OEH | Department of Occupational and Environmental Health |
| OEMT | Operational Emergency Management Team |
| OEPTC | Ontario Energy and Property Tax Credit |
| OEQ | Office of Environmental Quality |
| OERS | Oregon Emergency Response System |
| OESC | Oklahoma Employment Security Commission |
| OET | Office of Employment and Training |
| OEW | Occupational Employment and Wage Estimates |
| OEWE | Occupational Employment and Wage Estimates |