Controller

Controller may refer to:

Occupations

Controller or financial controller, or in government accounting comptroller, a senior accounting position
Controller, someone who performs agent handling in espionage
Air traffic controller, a person who directs aircraft
California State Controller, the Chief Financial Officer of the State of California in the United States
Idaho state controller, the Chief Financial Officer of the State of Idaho in the United State
Nevada State Controller, the Chief Financial Officer of the State of Nevada in the United States

Model–view–controller, an architectural pattern used in software engineering
Controller (computing), a chip or expansion card that interfaces with a peripheral device
Microcontroller, a small computer on a single integrated circuit
Game controller, an input device used for playing video games

control theory, control of continuously operating dynamical systems in engineered processes and machines
- Controller (irrigation), a device to automate irrigation systems
Control loop, contains all the control elements for controlling a process variable
- Anti-lock Brake Controller, in an anti-lock braking system

Controller (comics), multiple characters
- Controller (Marvel Comics), a fictional character in Marvel Comics
- Controllers (DC Comics), a fictional extraterrestrial race in the DC Universe
The Fat Controller (Sir Topham Hatt), the head of the railway in The Railway Series of books written by the Reverend W.V. Awdry
Controller, a being controlled by a Yeerk in the Animorphs series by K.A. Applegate
The Controller, an AI system in the Armored Core 3 video game

Controller (Misery Signals album), 2008
Controller (British India album), 2013
The Controllers (R&B band), a 1980s rhythm-and-blues band
MIDI controller, 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 by the new-wave band Oingo Boingo