| Acronym | Definition |
|---|
| TTRF➣Turbocharger Test and Research Facility (National Gas Machinery Laboratory) |
| TTRF➣Ti Tree Research Farm (est. 1988; Australia) |
| TTRF➣Tilt Type Rotary Furnace |
| TTRF➣The Ten Rupees Foundation (Bangaloe, India) |
| TTRF➣Text Time Repeating Field (computing) |