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A pin is a device used for fastening objects or material together.

Pin or PIN may also refer to:

Awards, brooches, or fasteners[edit]

  • Award pin, a small piece of metal or plastic with a pin attached given as an award for some achievement
  • Bobby pin (also known as a kirby grip or hair grip in the United Kingdom), small double-pronged hair pin or clip, usually of metal or plastic, used in coiffure to hold hair in place
  • Clevis pin, a three-piece fastener system consisting of a clevis, clevis pin, and tang, similar to a bolt
  • Collar pin (closely related to the collar bar and collar clip), a piece of men's jewelry, which holds the two ends of a dress shirt collar together and passes underneath the knot of a necktie
  • Drawing pin (also called a paper cricket, push-pin, or thumbtack)
  • Hairpin cotter (or R-clip)
  • Lapel pin, a small brooch often worn on the lapel of a dress jacket
  • Safety pin
  • Split pin (or cotter pin or cotter key), a metal fastener with two tines that are bent during installation, similar to a staple or rivet



Art, entertainment, and media[edit]


Gaming and sports[edit]

  • Pin (amateur wrestling), the primary way of winning an amateur wrestling match
  • Pin (bridge), a maneuver in the game of bridge to drop an opponent's lower-ranking card by leading a high one
  • Pin (chess), a scenario where if a lesser piece is under attack and moves away, it would reveal a more valuable piece
  • Pin (professional wrestling), a way of winning a professional wrestling match
  • Bowling pin, the target in various bowling games, which must be knocked down by the bowling ball


  • "Pin" (song), a song by the Yeah Yeah Yeahs from their debut album, Fever to Tell (2003)

Brands, enterprises, and organizations[edit]

Computing and technology[edit]

  • Pin (computer program), a dynamic binary instrumentation tool
  • Bridge pin, a vertical wire on the bridge of keyboard instruments such as the piano and harpsichord that is used to control the string resonances
  • Center pin, a part on railway vehicles
  • Personal identification number (PIN), a password used to access an automated teller machine or other secured system
    • Blackberry PIN, an eight character hexadecimal identification number assigned to a BlackBerry device
  • PIN diode or P-I-N junction, (p-type, intrinsic, n-type diode), a type of semiconductor diode junction
  • Pin (or lead (electronics)), an electric interconnection, in electrical engineering
  • Pin, a pin or peg holding joints together in timber framing, particularly the mortise and tenon joint; rarely called a dowel
  • Pin, an image on Pinterest
    • "Pin it", a button to share these images



Other uses[edit]

See also[edit]