Capstan

Capstan may refer to:
 * Capstan (band), an American post-hardcore band
 * Capstan (cigarette), a brand of British cigarette
 * Capstan (nautical), a rotating machine used to control or apply force to another element
 * Capstan (tape recorder), rotating spindles used to move recording tape through the mechanism of a tape recorder
 * Capstan equation, formula to describe hold-force in relation to load-force for flexible lines around a cylinder
 * Horse capstan, a device similar to a windlass used in mining; also called a whim
 * Slingsby Capstan, a British two-seat glider of the 1960s
 * Capstan (software), audio restoration program by Celemony which eliminates wow and flutter