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PP, pp or Pp may refer to:

Arts and entertainment[edit]

Businesses and organizations[edit]

Political parties[edit]

Other businesses and organizations[edit]

  • PayPal, an American company operating a worldwide electronic online payments system
  • PediaPress, a software development and print-on-demand company located in Mainz, Germany
  • Planned Parenthood, a reproductive health organization


  • Papa (Latin for "pope"), when written "PP."
  • Parish Priest, sometimes used by clergy as post-nominal e.g. when signing a register of services (mainly in UK during first half of 20th century)

Science, technology, and mathematics[edit]

Biology and medicine[edit]


  • PP (complexity), a probabilistic polynomial time complexity class
  • PP-format (Post Processing Format), a file format for distributing meteorological data, developed in the UK
  • PP X.400, an e-mail protocol
  • Plug and play (P&P), a type of peripheral device


Other uses in science and technology[edit]

Other uses[edit]

See also[edit]