PP, pp or P<sub>p</sub> may refer to:

Arts and entertainment

  • Peppa Pig, a British preschool animated series (since 2004)
  • Pianissimo, 'very quiet' in musical dynamics
  • Police procedural, a subgenre of detective fiction
  • Production code for Doctor Who serial The Enemy of the World (1967–1968)

Businesses and organisations

Political parties

  • Patriotic Party (Guatemala)
  • People's Party (Spain) (Partido Popular)
  • Pirate Party (Global)
  • Progressistas (Brazil) (Progressistas)
  • Progressive Party (Iceland)
  • Prosperity Party (Ethiopia)
  • People's Partnership (Trinidad and Tobago)
  • We Continue the Change (Bulgaria) ("Prodalzhavame promyanata")

Other businesses and organizations

  • Pancasila Youth (Pemuda Pancasila), an Indonesian paramilitary organization
  • PediaPress, a German software company
  • Planned Parenthood, a reproductive health organization
  • Philipp Plein, logo
  • PayPal, an online payments company

Religion

  • pp, Papa Pontifex, post-nominal used by popes

Science, technology, and mathematics

Biology and medicine

  • Vitamin PP or nicotinamide
  • Paliperidone palmitate, an antipsychotic medication
  • Pancreatic polypeptide, a polypeptide secreted by PP cells
  • PP cell or pancreatic polypeptide cell
  • pro parte, abbreviated p.p., for a type of synonymy in taxonomy

Computing

  • PP (complexity), a probabilistic polynomial time complexity class
  • PP-format (Post Processing Format), a file format for meteorological data
  • PP X.400, an e-mail protocol
  • Plug and play (P&P), a property of a peripheral device
  • Microsoft PowerPoint, a presentation program

Mathematics

  • P–P plot, a probability plot, in statistics
  • Percentage point, in business writing and statistics
  • Process performance index (P<SUB>p</SUB>)
  • Presque partout (almost everywhere), in measure theory and analysis (is always lower case – 'pp'; in English 'ae' is often used instead.)

Other uses in science and technology

  • Paris Principles (cataloging), a theoretical foundation for the creation of bibliographical cataloging rules for libraries
  • Walther PP, a pistol
  • Length between perpendiculars ("pp" or "p/p"), the length of a ship
  • Peak to peak (p–p) amplitude of a signal
  • Polypropylene, a common plastic polymer
  • Proton–proton chain, in nuclear physics and astronomy

Other uses

  • p.p., Per procurationem, when signing on behalf of another
  • pp, pages (of a book), an example of the convention of doubling the letters in the acronym to indicate plural words, see
  • Percy Pig, a British brand of pig-shaped fruit-flavoured confectionery products
  • Peso Pluma, musician
  • Pierre Poilievre, Conservative politician in Canada.
  • PinkPantheress, singer

See also

  • Peepee (disambiguation)