PTP
- Modernising Scientific Careers
- P2P (disambiguation)
- PET Transfer Protocol
- PTP (artist collective)
- PTP (band)
- Pay Money to My Pain
- Peak-to-peak
- Peer-to-peer
- Permeability transition pore
- Pheu Thai Party
- Phonation threshold pressure
- Picture Transfer Protocol
- Point-to-point (disambiguation)
- Pointe-à-Pitre International Airport
- Port of Tanjung Pelepas
- Portuguese Labour Party
- Post-tetanic potentiation
- Post-transfusion purpura
- Precision Time Protocol
- Professional transportation planner
- Protein tyrosine phosphatase
- Publicly traded partnership
- RTR (disambiguation)
- Togolese Party of Progress