On-off or Onoff may refer to: * On-off control, a type of feedback controller * On-off keying, a type of line modulation * On-off relationship, a form of personal relationship * On-Off Singles, a type of tennis game * On-off switch, a type of electric switch * Onoff (retailer), an electronics retailer in Estonia, formerly also active in Sweden and Finland


* Onoff (Irish band), an Irish punk-rock band * On/Off (Japanese band), a Japanese j-pop band * ''On/Off'' (ONF EP), 2017 * ''On/Off'' (Run On EP), 1995 * ''On-Off'' (album), a 2006 album by Marcin Rozynek

See also

* On and Off (disambiguation) * "Off & On", a song by Sophie Ellis-Bextor * ''OffOn'', a film by Scott Bartlett {{disambiguation