| Acronym | Definition |
|---|
| OFA | Other Federal Agencies |
| OFA | Old Farmers' Almanac (weather predictions) |
| OFA | Optical Fiber Amplifier |
| OFA | Office for the Arts (Harvard University; Cambridge, MA) |
| OFA | Organizing for Action |
| OFA | Optimal Flexible Architecture |
| OFA | Orphan Foundation of America |
| OFA | Orthopedic Foundation for Animals |
| OFA | Opportunity for Advancement (Toronto, Canada) |
| OFA | Ohrid Framework Agreement (est. 2001) |
| OFA | Office for the Aging |
| OFA | Obama for America |
| OFA | Organizing for America (Barack Obama task force) |
| OFA | Ohio Fire Academy (est. 1978) |
| OFA | Office of Finance and Administration (DOC/NOAA) |
| OFA | Ontario Federation of Agriculture |
| OFA | Over Fire Air |
| OFA | Opportunities for Access |
| OFA | Office of Family Assistance |
| OFA | Oracle Fusion Application (software) |
| OFA | Oracle Financial Analyser |
| OFA | Oracle Fusion Architecture |
| OFA | Oracle Fusion Applications |
| OFA | Order for Arrest (criminal justice) |
| OFA | Office of Federal Activities |
| OFA | Occupational First Aid |
| OFA | Oracle Flexible Architecture |
| OFA | Online Forward Auction |
| OFA | Optics First Aid (kit) |
| OFA | Ontario Forestry Association (Canada) |
| OFA | Oita Football Association (Japan) |
| OFA | Operational Field Assessment |
| OFA | Office of Fiscal Administration |
| OFA | Ontario Fencing Association |
| OFA | Organization of Flying Adjusters |
| OFA | Oil-Free Air |
| OFA | Ontario Film Association (Canada) |
| OFA | Obstacle Free Area (airfield term) |
| OFA | Operation Foxhole Atheists |
| OFA | Office of Flight Assurance |
| OFA | Orthogonal Field Alternation |
| OFA | Oklahoma Forestry Association |
| OFA | Out Fooling Around |