PPS (disambiguation)

PPS may refer to:

In commerce and industry
* Participating preferred stock or participating preferred share
* Purchasing Power Standard
* Project for Public Spaces, nonprofit organization dedicated to creating and sustaining public places that build communities.
* Priority Passenger Service, a high level of Singapore Airlines' frequent flyer programme
* Premium Packaged Spirits, an upscale "Ready To Drink" alcoholic beverage called Alcopop

In computing

* Pulse per second signal (related to greater accuracy in computer timing such as Network Time Protocol)
* Post-postscript
* Packet per second, a router's throughput metric. How many packets a router can forward in a given period of time
* ".pps" or "PowerPoint Show," a file format used by the Microsoft PowerPoint presentation software

In education

* Portland Public Schools (Oregon) district in Portland, Oregon
* Portland Public Schools (Maine) district in Portland, Maine
* Portsmouth Public Schools (Virginia), district in Portsmouth, Virginia

In politics and government

* Principal Private Secretary, a high ranking position in the British Civil Service
* Parliamentary Private Secretary
* Personal Public Service Number, Republic of Ireland
* Planning Policy Statements, the replacement for Planning Policy Guidance Notes in the United Kingdom, created under the Planning and Compulsory Purchase Act 2004
* "Polska Partia Socjalistyczna", the Polish Socialist Party
* "Parti Populaire Syrien", the Syrian Social Nationalist Party
* "Partido Popular Socialista" in Latin America, such as:
** Socialist People's Party (Brazil)
** Popular Socialist Party (Mexico)
** Popular Socialist Party of Mexico

In science and technology

* Poly(p-phenylene sulfide), a chemical
* Popliteal pterygium syndrome
* Post-polio syndrome
* PPS, a Soviet WWII-era submachine gun
* Walther PPS, a small 9 mm pistol
* Proportional Pressure Support, an advanced method of mechanical ventilation in intensive care
* A cleavable detergent in biochemistry