PSE

Companies and organizations

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

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

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

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