OP or Op may refer to:

Arts and entertainmentEdit

  • One Piece, a 1997 Japanese manga and anime
  • Opposite prompt, a stage right prompt corner on a theatre stage
  • Optimus Prime, a character from the Transformers franchise
  • Op., short for opus number, used to denote one work of musical composition from many
  • Original pronunciation, the phonology of Early Modern English, as used in William Shakespeare's time, specifically when used to perform his works in modern times.
  • Out of print, a status of a book title at a publishing house

Businesses and organizationsEdit

InternetEdit

  • Original post (or poster), the opening entry (or author thereof) in a thread or discussion in an internet forum
  • Overpowered (game balance), in video games, when a particular aspect or character is lacking game balance

MathematicsEdit

PlacesEdit

Other usesEdit

See alsoEdit