OSTF
| Acronym | Definition |
|---|---|
| OSTF | Other Side of the Fence |
| OSTF | Oregon Short Term Fund |
| OSTF | Oberlin Summer Theater Festival (Oberlin, OH) |
| OSTF | Original Sovereign Tribal Federation (Australia) |
| OSTF | Old Spanish Trail Festival (Crestview, FL) |
| OSTF | Object Services Task Force (Object Management Group) |
| OSTF | off-site treatment facility |
| OSTF | Orthogonal Short-Time Fourier |
| OSTF | Online Safety Task Force (Vermont) |