PPS
- .pps
- Faculty of Human, Social, and Political Science, University of Cambridge
- Fourth television network
- MCA Inc.
- PP (disambiguation)
- PPS Silent Surfactant
- PPS film capacitor
- PPS submachine gun
- PPS.tv
- PS (disambiguation)
- Packets per second
- Pact for Sicily
- Paramount Communications
- Parkinson plus syndrome
- Parliamentary Private Secretary
- Parliamentary Protective Service
- Partnership for Prosperity and Security in the Caribbean
- Party of Progress and Socialism
- Paterson Public Schools
- Pawhuska Public Schools
- Pay per sale
- Pentosan polysulfate
- Peoria Public Schools
- Personal Public Service Number
- Pirate Party Switzerland
- Pittsburgh Public Schools
- Planning Policy Statements
- Polish Socialist Party
- Poly(p-phenylene sulfide)
- Popliteal pterygium syndrome
- Popular Patristics Series
- Popular Socialist Party (Brazil)
- Popular Socialist Party (Mexico)
- Portland Public Schools (Oregon)
- Post-polio syndrome
- Post-postscript
- Precise Positioning Service
- Premium Packaged Spirits
- Princeton Public Schools
- Principal Private Secretary
- Programmable power supply
- Project for Public Spaces
- Proofpoint, Inc.
- Prospective payment system
- Provincial Police Service (disambiguation)
- Public Procurement Service
- Public Prosecution Service (disambiguation)
- Puerto Princesa International Airport
- Pulse per second
- Puppy pregnancy syndrome
- Purchasing power standard
- Puyo Puyo Sun
- Saint Vladimir's Orthodox Theological Seminary
- Singapore Airlines
- Walther PPS