| IOF | I O forwarding 
| Others |
| IOF | Ice Of Fire
| Others |
| IOF | Image Orientation Fixer
| Others |
| IOF | Impact On Family
| Others |
| IOF | Incidence of Failure
| Others |
| IOF | Independent Order of Foresters
| Others |
| IOF | Independent Order of Foresters [Insurance Firm]
| Others |
| IOF | Indian Ordnance Factories
| Others |
| IOF | Indian Ordnance Factory
| Others |
| IOF | Industrial Ontologies Foundry
| Others |
| IOF | Inferior Orbital Fissure
| Others |
| IOF | Infrastructure Operating Fund
| Others |
| IOF | Initial Operational Flight
| Others |
| IOF | Innovator of the Future
| Others |
| IOF | Input Output Facility
| Others |
| IOF | Input Output File
| Others |
| IOF | Instant On Fusing
| Others |
| IOF | Instigator Of Fun
| Others |
| IOF | Institute for the Oceans and Fisheries
| Others |
| IOF | Institute of Forestry
| Others |
| IOF | Institute of Fundraising
| Others |
| IOF | Intelligent Office Furniture
| Others |
| IOF | Inter Office Facility
| Others |
| IOF | Interactive Output Facility
| Others |
| IOF | Interim Operating Facility
| Others |
| IOF | International Oceanographic Foundation
| Others |
| IOF | International Olive Foundation
| Others |
| IOF | International Organisation of la Francophonie
| Others |
| IOF | International Organization for the Family
| Others |
| IOF | International Orienteering Federation
| Others |
| IOF | International Osteoporosis Foundation
| Others |
| IOF | International Outgoing Fellowships
| Others |
| IOF | International Outsourcing Forum
| Others |
| IOF | Internet Of Factory
| Others |
| IOF | Internet of Farm
| Others |
| IOF | Internet of Food
| Others |
| IOF | Internet Over Fiber
| Others |
| IOF | Internship Opportunity Fund
| Others |
| IOF | Interventional Orthopedics Foundation
| Others |
| IOF | Investa Office Fund
| Others |
| IOF | Investa Office Fund's
| Others |
| IOF | Investment Opportunity Facility
| Others |
| IOF | Israeli Occupation Forces
| Others |