PTTC
| Acronym | Definition |
|---|---|
| PTTC | Petroleum Technology Transfer Council |
| PTTC | Philippine Trade Training Center (est. 1987) |
| PTTC | Public Transport Ticketing Corporation (Sydney, New South Wales, Australia) |
| PTTC | Perak Techno Trade Centre (Ipoh, Perak, Malaysia) |
| PTTC | Preaching to the Choir |
| PTTC | Paper Tape Transmission Code |