OP

Look up OP, op, -op, Op., or op. in Wiktionary, the free dictionary.

OP may refer to:

Arts and entertainment

• 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, a term used by linguist David Crystal to describe the accent originally used in Shakespeare's works
• Out of print, a status of a book title at a publishing house

Businesses and organizations

• Operational planning, the process of planning short term measures in a company
• OP Financial Group, a Finnish company
• Oborový podnik ("specialized business"), a bygone Czechoslovakian state designation for a business entity
• Ocean Pacific, a retail clothing company
• Oratory Preparatory School, in New Jersey, United States
• Dominican Order (Latin: Ordo Praedicatorum), a Catholic religious order

Internet

• Original post or original poster, the first post in or person initiating a new Internet thread
• Overpowered, in video games, when a particular aspect or character is lacking game balance

Mathematics

• Op (statistics), a symbol used in probability mathematics
• Octagonal prism

Places

• Overland Park, Kansas
• O'Brien Peak
• O'Cain Point
• O'Connor Peak
• O'Donnell Peak
• O'Fallon Park
• O'Higgins Park
• O'Leary Peak
• O'Neal Point
• O'Neill Peak
• O'Neill Point
• O'Neill Regional Park
• O'Shea Peak
• O'Sullivan Peak

Other uses

• Observation post, a position from which soldiers can watch enemy movements
• Old Pauline, an ex-pupil of St Paul's School, London
• Old Peterite, a former pupil of St Peter's School, York
• Opening (disambiguation) or Introduction (disambiguation)
• Orange pekoe grade of black teas
• Organophosphate, the general name for esters of phosphoric acid
• Overall Position, the grade appointed to Queensland high-school graduates

See also

• Op-amp, short for operational amplifier
• Op-ed, a newspaper opinion piece
• Operation (disambiguation)
• Operator (disambiguation)
• OPS (disambiguation)
• Op. cit., opere citato, or "in the work cited"
• 0P (disambiguation) ("zero p")
• All pages beginning with OP