Ratchet may refer to:

Devices

* Ratchet (device), a mechanical device that allows movement in only one direction * Ratchet, metonomic name for a socket wrench incorporating a ratcheting device *

Ratchet (instrument) A ratchet or rattle, more specifically, cog rattle is a musical instrument of the percussion family and a warning/signaling device. It operates on the principle of the ratchet device, using a gearwheel and a stiff board mounted on a handle, whi ...

, a music instrument and a warning device

Film and television

* Ratchet (''Robots''), a character in the film ''Robots'' * Ratchet, a character in the ''

Widget the World Watcher ''Widget'' (also known as ''Widget the World Watcher'') is an animated television series created by Voltron creator Peter Keefe, directed and produced by Tom Burton of Zodiac Entertainment, which debuted in syndication on September 29, 1990. The ...

'' television series * Ratchet, a character in the '' Red Lantern Corps'' DC Comics series * Ratchet (''Transformers''), a character * Ratchet, one of the Autobot Transformers * ''Ratchet'', a 1986 thriller film by John Johnson

Video games

* Ratchet (''Ratchet & Clank''), a video game character * '' Ratchet: Deadlocked'', a video game

Music

* "Ratchet" (Bloc Party song), 2013 * ''Ratchet'' (Shamir album), 2015 * Ratchet, another name for the RnBass genre

Other

* Ratchet option, a financial derivative also known as cliquet option * Double Ratchet Algorithm, an algorithm for managing cryptographic keys * Ratchet (slang), a derogatory term * Ratchet Gearloose, a Disney character, paternal grandfather of Gyro Gearloose

Devices

Film and television

Video games

Music

Other

See also