Sequencer may refer to: Technology Drum sequencer (controller), an electromechanical system for controlling a sequence of events automatically DNA sequencer, a machine used to automatically produce a sequence readout from a biological DNA sample Microsequencer, part of the control unit of a CPU Music sequencer, software or hardware device for recording, playing, and editing digital music data Protein sequencer, a machine used to automatically produce a sequence readout from a biological protein sample Arts and entertainment Sequencer (Larry Fast album), 1976 Sequencer (Covenant album), 1996 "Sequencer", a song by Al Di Meola from his album Scenario See also Sequence (disambiguation)