| OTF | Object Testing Framework 
| Others |
| OTF | Objective Terrain Format
| Others |
| OTF | Obligatory Transsexual File
| Others |
| OTF | Oem Automatic Transmission Fluid
| Others |
| OTF | Of The Film
| Others |
| OTF | Off The Film
| Others |
| OTF | Off The Floor
| Others |
| OTF | Officially TB Free
| Others |
| OTF | Ohio Texas Florida
| Others |
| OTF | Ohio Turfgrass Foundation
| Others |
| OTF | Old Technology Fighter
| Others |
| OTF | Oldtimer Festival
| Others |
| OTF | Oldtimer Trecker Freunde
| Others |
| OTF | Oldtimer Und Technik Freunde
| Others |
| OTF | On Target Flake
| Others |
| OTF | On The Floor
| Others |
| OTF | On The Fly
| Others |
| OTF | On To the Future
| Others |
| OTF | One Touch Financial
| Others |
| OTF | Online Tax Filing
| Others |
| OTF | Only The Family
| Others |
| OTF | Ontario Trillium Foundation
| Others |
| OTF | Open Tape Format
| Others |
| OTF | Open Technology Fund
| Others |
| OTF | Open Test Framework
| Others |
| OTF | Open Text Font
| Others |
| OTF | Open Trace Format
| Others |
| OTF | Open Ttype Font File
| Others |
| OTF | Open Type Font
| Others |
| OTF | Open Type Format
| Others |
| OTF | Operational Task Force
| Others |
| OTF | Optical Thin Film
| Others |
| OTF | Optical Transfer Function
| Others |
| OTF | Orange Theory Fitness
| Others |
| OTF | Orders To Fly
| Others |
| OTF | Organic Transformed Flyers
| Others |
| OTF | Organised Trading Facility
| Others |
| OTF | Otis Tiberus Fanning
| Others |
| OTF | Out The Front
| Others |
| OTF | Out Too Far
| Others |
| OTF | Outdoors Tomorrow Foundation
| Others |
| OTF | Outlaw Top Fuel
| Others |
| OTF | The Off Topic Forum
| Others |