TTRF
| 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) |