PCE may stand for:

Business and economics

* Personal consumption expenditure, or private consumption expenditure * Personal consumption expenditures price index, a measure of inflation

Chemistry and engineering

* PCE or eticyclidine, an illegal drug related to Phencyclidine (PCP) * Tetrachloroethylene (perchloroethylene), widely used in dry-cleaning * Pro-opiomelanocortin converting enzyme, an enzyme * Pyrometric cone equivalent, measuring heat in the firing of pottery * Power conversion efficiency, a near synonym for "Energy conversion efficiency" often used in the field of photovoltaics

Computing

* Path computation element, a network element used for pathfinding * Principle of computational equivalence, a concept developed by Stephen Wolfram published in the book ''A New Kind of Science'' * PC Engine, a video game console

Medicine

* Prenatal cocaine exposure, exposure of a fetus to cocaine when a pregnant woman uses the drug * Eticyclidine, a dissociative anesthetic drug

Organizations

* Paavai College of Engineering, Namakkal, Tamil Nadu, India * Padmanava College of Engineering, Rourkela, an engineering college in Rourkela, Orissa state, India * Parents for Choice in Education, an advocacy group in Utah, U.S. * Parliamentary Commissioner for the Environment, New Zealand government agency

Political parties

Spain

* PCE, Communist Party of Spain or "Partido Comunista de España" * PCE(i), Communist Party of Spain (International)(1975) or ''Partido Comunista de España(Internacional)'' * PCE(m-l), Communist Party of Spain (Marxist–Leninist) or ''Partido Comunista de España (Marxista-Leninista)'' * PCE(ML), Communist Party of Spain (Marxist–Leninist) (historical) or ''Partido Comunista de España (Marxista-Leninista)'' * PCE(M-R), Workers' Party of Spain–Communist Unity or ''Partido de los Trabajadores de España–Unidad Comunista'' * PCE(R), Communist Party of Spain (Reconstituted) or ''Partido Comunista de España (Reconstituido)''

Other countries

* ''Parti Communautaire Européen'', a political party in Belgium * ''Partido Comunista del Ecuador'', the Communist Party of Ecuador

Other

* ISO 639:pce or Palaung language, spoken in Burma and neighboring countries * Passenger car equivalent, a measure of traffic flow * PCE-842-class patrol craft, U.S. Navy patrol craft escorts, many of which were transferred to the Philippine Navy * Power cost equalization, a state subsidy in Alaska * Pardubice {{disambiguation