# PSE

PSE may refer to:

## Companies and organizations
### Stock exchanges

* Pacific Stock Exchange, stock exchange in USA
* Pakistan Stock Exchange, stock exchange of Pakistan
* Palestine Securities Exchange, stock exchange in Palestine
* Philippine Stock Exchange, stock exchange in Philippines
* Prague Stock Exchange, stock exchange in the Czech Republic
* Pune Stock Exchange, stock exchange in India

### Other

* Paksi SE, a Hungarian football club based in Paks, Hungary
* Paris School of Economics, a French academic foundation in Paris
* Partido Socialista de Euskadi, a Basque Party
* Party of European Socialists (French: Parti socialiste européen)
* Group of the Party of European Socialists, a parliamentary group in the European Parliament 1993–2009
* Pegula Sports and Entertainment, American sports and entertainment holding company based in Buffalo, New York
* Philosophical Society of England
* Pi Sigma Epsilon, a professional fraternal organization in sales, marketing, and management
* Polskie Sieci Elektroenergetyczne, an electricity transmission system operator in Poland
* PSE Archery, an archery bow and crossbow supply company
* Puget Sound Energy, an energy utility company in Washington state, USA

## Education

* Personal and social education, a component of the state school curriculum in Wales and Scotland
* Personal, social, health and economic education, an element of the state school curriculum in England and Northern Ireland
* Post secondary education or higher education

## Places

* State of Palestine, by ISO 3166-1 country code
* PSE, railway station code of Pasar Senen railway station in Jakarta, Indonesia
* PSE, the three-letter National Rail station code for Pitsea railway station.
* PSE, airport code of Mercedita Airport in Puerto Rico
* Stadion PSE, a stadium in Paks, Hungary

## Technology

* Packet Switching Exchange
* Page Size Extension, paging mechanism in computer microprocessor
** PSE-36, a 36 bit extension of the mechanism
* Photoshop Elements, a consumer image manipulation program
* PlayStation Eye, a digital camera device for the PlayStation 3
* Power sourcing equipment, network devices that provide power in a Power over Ethernet setup
* PSE law, a Japanese standard for electrical appliance safety
* Problem solving environment, specialized computer software
* Process Systems Engineering, a category of engineering

## Science and medicine

* Passive Seismic Experiment, one of the Apollo Lunar Surface Experiments Package experiments
* Periodic System of Elements, a tabular arrangement of the chemical elements
* Photosensitive epilepsy, epilepsy seizures triggered by visual stimuli
* Picture superiority effect, a concept in cognitive psychology
* Plant Systematics and Evolution, an academic journal
* Point of Subjective Equality (PSE) as used in psychophysics discrimination experiments
* Portosystemic encephalopathy, a liver failure condition
* Present State Examination, tools created by WHO for diagnosing mental illness
* Probe Support Equipment, an element of the atmospheric entry probe Huygens
* Producer support estimate (formerly producer subsidy equivalent), a measure published by the OECD
* Pseudoephedrine, a medication

## Other

* Pidgin Sign English, a type of contact sign language
* Postal stationery envelope, a stamped envelope
* Public sector undertakings in India - a.k.a Public Sector Enterprises in India
* Projet structurant de l'Est, a planned tramway system in Montreal, Canada