Hairpin (disambiguation)

A hairpin is a device used to hold a person's hair in place.

Hairpin or Hairpins may also refer to:
 * Hairpin turn, a tight turn on a road
 * Hairpin cotter, a formed wire fastener most commonly used in clevis pins
 * Hairpin clip, a formed wire fastener designed for use in grooved shafts
 * A hairpin loop, a pattern in DNA or RNA in biochemistry
 * β-Hairpin, a secondary structure motif of proteins
 * Hairpins (film), a 1920 film directed by Fred Niblo
 * Hairpin, in music, the nickname for crescendo and decrescendo markings. See Dynamics (music)
 * The Devil's Hairpin, a 1957 American feature film about car racing
 * Hairpin Arts Center, a community art center in Chicago
 * Hairpin Banksia, woody shrub.
 * Hairpin Beach, a gazetted beach in Stanley, Hong Kong
 * Hairpin RNA, an artificial RNA molecule
 * Hairpin lace, a lace-making technique
 * Hairpin ribozyme, a small section of RNA that can act as a ribozyme
 * Ramsey Hairpin, a hairpin bend on the course of the Isle of Man TT Races
 * The Hairpin, a women's website
 * The Human Hairpin, a nickname for the American boxer, Harry Harris
 * Hairpin network address translation

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