A pin is a device used for fastening objects or material together. Pin or PIN may also refer to:

Computers and technology

Personal identification number A personal identification number (PIN), or sometimes redundantly a PIN number or PIN code, is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitat ...

(PIN), to access a secured system ** PIN pad, a PIN entry device * PIN, a former Dutch debit card system * An image on Pinterest * PIN diode, a semiconductor diode * Pin, a short lead in electronics * Pinning, the act of attaching a social media post to the top of a page to signify importance * To pin an object to another object in interface, such as pinning an application to the taskbar * Pin (computer program), a platform for creating analysis tools

Awards, brooches, or fasteners

* Award pin, recognising an achievement *

Bobby pin A bobby pin (also known as a kirby grip or hair grip in the United Kingdom) is a type of hairpin, usually of metal or plastic, used in coiffure to hold hair in place. It is a small double-pronged hair pin or clip that slides into hair with the pr ...

or kirby grip or hair grip, a hairpin * Clevis pin, a three-piece fastener system * Collar pin, for a shirt collar * Drawing pin or thumbtack * Lapel pin, a small pin worn on clothing * Pin-back button, a badge fastened to garments with a safety pin. * Safety pin, pin which includes a simple spring mechanism and a clasp *

Split pin A split pin, also known in the United States of America as a cotter pin or cotter key, is a metal fastener with two tines that are bent during installation, similar to a staple or rivet. Typically made of thick wire with a half-circular cross s ...

or cotter pin, a fastener

Music and film

Pin (harp) The pin ( km, ពិណ, ) is a Cambodian harp, one of the most historically important instruments in Cambodian music. The instrument went extinct 1500s, and is now being restored in modern times. Its historical importance is emphasized by the v ...

a Cambodian

harp The harp is a stringed musical instrument that has a number of individual strings running at an angle to its soundboard; the strings are plucked with the fingers. Harps can be made and played in various ways, standing or sitting, and in orche ...

* ''Pin'' (film), 1988, Canada * "Pin", a song by the Yeah Yeah Yeahs, from the album '' Fever to Tell'', 2003 * "Pin", a song by Anuel AA, from the album '' Las Leyendas Nunca Mueren'', 2021 * The Pin (comedy act), on BBC Radio 4 * "The Pin", a song from the Goo Goo Dolls' album ''

Boxes A box (plural: boxes) is a container used for the storage or transportation of its contents. Most boxes have flat, parallel, rectangular sides. Boxes can be very small (like a matchbox) or very large (like a shipping box for furniture), and can ...

'' * Bridge pin, on a keyboard musical instrument

Sports and games

* Pin (amateur wrestling), holding an opponent down * Pin (professional wrestling), wrestling move * Pin (bridge), a maneuver in the game of bridge * Pin (chess), when a defending chess piece cannot move without exposing a more valuable defending piece * Bowling pin, the target of the bowling ball in various bowling games *

Gabriele Pin Gabriele Pin (born 21 January 1962) is an Italian football coach, and a former player. He is currently an assistant coach at Al-Ittihad Kalba. Pin became a coach after a long professional career as a midfielder. As a player, he won the Scudett ...

(born 1962), Italian footballer

Other uses

Pin, Haute-Saône Pin () is a commune in the Haute-Saône department in the region of Bourgogne-Franche-Comté in eastern France.Police Information Notice The Protection from Harassment Act 1997 (c 40) is an Act of the Parliament of the United Kingdom. On introducing the Bill's second reading in the House of Lords, the Lord Chancellor, Lord Mackay of Clashfern, said, "The aim of this Bill is to ...

in the UK * Postal code, a series of digits or letters used in a postal address * Postal Index Number, postal code of locations in India * PIN Group, a German postal company * People in Need (Czech Republic), an organization * Paleontological Institute, Russian Academy of Sciences, Moscow, Russia * PIN proteins in plants * Progressive inflammatory neuropathy, a disease *

Prostatic intraepithelial neoplasia High-grade prostatic intraepithelial neoplasia (HGPIN) is an abnormality of prostatic glands and believed to precede the development of prostate adenocarcinoma (the most common form of prostate cancer). It may be referred to simply as prostatic i ...

, an abnormality of prostatic glands *

Center pin A bogie or railroad truck holds the Wheelset (rail transport), wheel sets of a rail vehicle. Axlebox An ''axle box'', also known as a ''journal box'' in North America, is the mechanical subassembly on each end of the axles under a railway wa ...

, on railway vehicles *

Dowel A dowel is a cylindrical rod, usually made of wood, plastic, or metal. In its original manufactured form, a dowel is called a ''dowel rod''. Dowel rods are often cut into short lengths called dowel pins. Dowels are commonly used as structural ...

or dowel pin * Preferred IUPAC name, a chemical name * Abbreviation of '' Pinxit'' * Half a firkin in English brewery cask units * Pinacolate group, sometimes abbreviated pin

Computers and technology

Awards, brooches, or fasteners

Music and film

Sports and games

Other uses

See also