Rack or racks may refer to:

• Amp rack, short for amplifier rack, a piece of furniture in which amplifiers are mounted
• Bicycle rack, a frame for storing bicycles when not in use
• Bustle rack, a type of storage bin mounted on armored fighting vehicles
• Drying rack, for hanging clothing to dry
• Firearm rack, for storing firearms
• Pallet racking, structural racks (usually steel) for storing palletised loads
• Power rack, a piece of weight training equipment
• Rack (billiards), for placing billiard balls in their starting positions
• Roof rack, a system used to carry items on top of a car
• Standardized equipment racks
  • 19-inch rack and 23-inch rack, commonly used for computer, communications, and AV equipment
  • Rack unit, equipment sizing measure
  • International Standard Payload Rack, used in spaceflight
• Toast rack, a serving piece

• The Rack (album), debut album by Asphyx
• The Rack (1915 film), an American silent drama film
• The Rack (1956 film), a courtroom drama starring Paul Newman
• "Racks" (song), song by rapper Y. C.

• Rack (Buffy the Vampire Slayer), fictitious character
• Edmund Rack (c.1735–1787), English writer
• Reinhard Rack (born 1945), Austrian politician
• Tom Rack, American actor

• Rack and pinion, a gear arrangement commonly used in vehicle steering
• Rack lift, an elevator which runs on vertical rails
• Rack railway, a train propelled using a toothed rail
• Rack, in horseriding, a quick, four-beat ambling gait
• Racks railway station, a former railway station in Dumfries and Galloway, Scotland

• Laboratory drying rack, a pegboard for hanging and draining glassware in a laboratory
• Rack, a climbing term for the set of equipment carried up a climb
• Rack (web server interface), a Web server interface for Ruby
• Racking, the transfer of a liquid (such as wine) from one container to another
• Racking a firearm (in particular pump action shotguns) which may be racked, or readied to fire
  • Tap, rack, bang
• Racking focus, a photography technique
• Rack of ribs, a food item made up of a set of ribs
• Rack of lamb, a cut of lamb meat
• Racks and quandles, concepts in abstract algebra
• Rack (torture)
• Receptor for activated C kinase 1 (RACK1)

• RACK (disambiguation)
• Wrack (disambiguation)