Operation or Operations may refer to:
Arts, entertainment and media Operation (game), a battery-operated board game that challenges dexterity Operation (music), a term used in musical set theory Operations (magazine), Multi-Man Publishing's house organ for articles and discussion about its wargaming products The Operation (film), a 1973 British television film The Operation (1990), a crime, drama, TV movie starring Joe Penny, Lisa Hartman, and Jason Beghe The Operation M.D., formerly The Operation, a Canadian garage rock band "Operation", a song by Relient K from The Creepy EP, 2001
Television Episodes "The Operation", Sky Dancers episode 27 (1996) "The Operation", The Golden Girls season 1, episode 18 (1986) "The Operation", You're Only Young Twice (1997) series 2, episode 8 (1978)
Shows The Operation (1992–1998), a reality television series from TLC
Business Manufacturing operations, operation of a facility Operations management, an area of management concerned with designing and controlling the process of production
Military and law enforcement Military operation, a military action (usually in a military campaign) using deployed forces Black operation, or "Black op", an operation that may be outside of standard military protocol or against the law Clandestine operation, an intelligence or military operation carried out so that the operation goes unnoticed Combined operations, operations by forces of two or more allied nations Covert operation, an operation which conceals the identity of the sponsor Psychological operations, an operation consisting of psychological manipulations, tactics, and warfare Special operations, military operations that are unconventional Operations (J3), third level of Nation Level Command Structure Operations (military staff), staff involved in planning operations Sting operation, an operation designed to catch a person committing a crime, by means of deception
Science and technology Inference, a step in reasoning Information technology operations Operation (mathematics), a calculation from zero or more input values (called operands) to an output value Arity, number of arguments or operands that the function takes Binary operation, calculation that combines two elements of the set to produce another element of the set Graph operations, produce new graphs from initial ones Modulo operation, operation finds the remainder after division of one number by another Operations research, in British usage, application of advanced analytical methods to make better decisions Unary operation, an operation with only one operand Rail transport operations, the control of a rail system Scientific operation Surgical operation, or surgery, in medicine Unit operation, a basic step in a chemical engineering process
Other uses Anomalous operation, in parapsychology, a term describing a broad category of purported paranormal effects Operation, a word which represents a grammatical relation (i.e., function) or instruction, rather than a term or name Operation of law, a legal term that indicates that a right or liability has been created for a party
See also List of military operations OP (disambiguation) Operations support system, used in the telecommunications industry Operations room, the tactical center providing processed information for command and control of an area of operations Operative (disambiguation) Operator (disambiguation)