PP, pp or Pp may refer to: Arts and entertainment. Pianissimo, a music term meaning very quiet, from musical dynamics. Production code for the 1967–1968 Doctor Who serial The Enemy of the World. Police Procedural – a subgenre of procedural drama and detective fiction. Peppa Pig, a British preschool animated television series. Businesses and organisations. Political parties. https://en.wikipedia.org/wiki/PP