Occupations

• Comptroller
  Comptroller
  A comptroller is a management level position responsible for supervising the quality of accounting and financial reporting of an organization.In British government, the Comptroller General or Comptroller and Auditor General is in most countries the external auditor of the budget execution of the...
  
   or financial controller, a senior accounting position
• Air traffic controller
  Air traffic controller
  Air traffic controllers are the people who expedite and maintain a safe and orderly flow of air traffic in the global air traffic control system. The position of the air traffic controller is one that requires highly specialized skills...
  
  , a person who directs aircraft
• California State Controller
  California State Controller
  The State Controller is the Chief Financial Officer of the State of California in the United States. The post has broader responsibilities and authority than the California State Treasurer...
  
  , the Chief Financial Officer of the State of California in the United States
• Controller, the chief executive of a BBC television or radio channel. See :Category:BBC executives

Computing and electronics

• Model–View–Controller, an architectural pattern used in software engineering
• Controller (computing)
  Controller (computing)
  In computing and especially in computer hardware, controller is a chip, an expansion card, or a stand-alone device that interfaces with a peripheral device...
  
  , a chip or extension card that interfaces with a peripheral device
• Game controller
  Game controller
  A game controller is a device used with games or entertainment systems used to control a playable character or object, or otherwise provide input in a computer game. A controller is typically connected to a game console or computer by means of a wire, cord or nowadays, by means of wireless connection...
  
  , an input device used for playing video games

Other devices

• Controller (control theory)
  Controller (control theory)
  In control theory, a controller is a device which monitors and affects the operational conditions of a given dynamical system. The operational conditions are typically referred to as output variables of the system which can be affected by adjusting certain input variables...
  
  , in control theory by ms.Q. =D
• PID controller
  PID controller
  A proportional–integral–derivative controller is a generic control loop feedback mechanism widely used in industrial control systems – a PID is the most commonly used feedback controller. A PID controller calculates an "error" value as the difference between a measured process variable and a...
  
  , a device used in control systems
• Controller (irrigation)
  Controller (irrigation)
  An irrigation controller is a device to operate automatic irrigation systems such as lawn sprinklers and drip irrigation systems. Most controllers have a means of setting the frequency of irrigation, the start time, and the duration of watering...
  
  , a device to automate irrigation systems
• Anti-lock Brake Controller, in an anti-lock braking system

Fiction

• Controller (comics)
  Controller (comics)
  Controller, in comics, may refer to:*Controller , a supervillain in Marvel Comics*Controllers , an alien race in DC Comics...
  
  , multiple characters
• The Fat Controller
  The Fat Controller
  The Fat Controller is the head of the railway in The Railway Series of books written by the Rev. W. V. Awdry. In the first two books in the series he is known as The Fat Director...
  
   (Sir Topham Hatt), the head of the railway in The Railway Series of books written by the Reverend W.V. Awdry
• Controller, a term used to describe a being controlled by a Yeerk
  Yeerk
  Yeerks are a fictional extraterrestrial species from the book and television series "Animorphs" written by K. A. Applegate and published by Scholastic.-Biology:...
  
   in the Animorphs series by K.A. Applegate
• The Controller, an AI system in the Armored Core 3
  Armored Core 3
  Armored Core 3 is a mecha video game in the Armored Core series.-Storyline:Set in a post-apocalyptic future, Armored Core 3 depicts a world where mankind has begun to live underneath the Earth's surface after a catastrophic global nuclear war broke out on the surface. The human beings who survived...
  
  video game

Music

• Controller (album)
  Controller (album)
  Controller is the third studio album released by Misery Signals and was released July 22, 2008. The album was recorded by producer Devin Townsend who produced Misery Signals' debut record Of Malice, and the Magnum Heart....
  
  , a 2008 album by progressive-metalcore band Misery Signals
• Controllers (band)
  Controllers (band)
  The Controllers were a four piece R&B band from Fairfield, Alabama, U.S.A. They were formed in 1965 and had record releases from 1977 to 1998 one of their biggest hits was 'Stay' released in 1986....
  
  , a 1980s rhythm-and-blues band
• MIDI controller
  MIDI controller
  MIDI controller is used in two senses.*In one sense, a controller is hardware or software which generates and transmits MIDI data to MIDI-enabled devices....
  
  , device which allows people or machines to control multiple aspects of audiovisual performances with MIDI messages
• "Controller", a song from the 1981 album Only a Lad
  Only a Lad
  -Personnel:Oingo Boingo* Danny Elfman - lead vocals* Steve Bartek - guitars* Richard Gibbs - keyboards* Kerry Hatch - bass* Johnny "Vatos" Hernandez - drums* Leon Schneiderman - baritone and alto saxophones* Sam "Sluggo" Phipps - tenor and soprano saxophones...
  
  by the new-wave band Oingo Boingo