PQ

PQ may refer to:

Politics and Law

• Parti Québécois, a provincial political party in Quebec, Canada
• Parliamentary question, a question posed during Question Time in a Westminster system legislature

Geography

• Province of Quebec, the largest province of Canada. The abbreviation PQ was replaced by QC in 1992

Military

• A code for a series of Arctic convoys of World War II

Transportation

• Pilot Qualified
• An IATA airline designator for Panafrican Airways

Math and Science

• Plastoquinone, a molecule used in the electron transport chain in the light-dependent reactions of photosynthesis
• Precision Questioning, a communications theory
• PQ, a very simple formal system

Business

• In project management, PQ is an abbreviation for the Performance Qualification

Computers

• Page Quality, a ranking system where visitors review sites by casting votes
• PowerQuest, producer of computer HDD software tools for the DOS/Windows platform
• Productivity Quality Systems, an SPC and quality control software company
• PQ Systems a statistical process control software company
• Progress Quest, a parody computer game
• PQ: Practical Intelligence Quotient, a video game
• Puzzle Quest: Challenge of the Warlords, a video game
• Priority queuing, a data packet scheduling technique
• libpq, a C library for the PostgreSQL database

Music

• Power Quest, a British power metal band
• Promenadorquestern, the official student orchestra of the Royal Institute of Technology

Law

• p.q., pro querente. For the plaintiff; also usually abbreviated, pro quer

Other

• Play Quotient, a theory pertaining to individuals and the characteristics of toys, games and other playthings
• Power quality, the set of limits of electrical properties