Spool

Spool may refer to:
 * Bobbin, a cylinder or reel on which a quantity of thread, yarn or wire is wound for use in a particular machine or device
 * Cable reel, used to carry various types of electrical wires
 * Spool (record label), active 1998–2008
 * Spool (software company), a software company that allows users to save video and text onto their mobile devices to view the content offline
 * Spool pin, a type of pin used in pin tumbler locks to prevent picking
 * Simultaneous Peripheral Operation On-Line, Spooling, a form of multi-programming for the purpose of copying data between different devices
 * The Spooler, an operating system enhancement that provided spooling facilities for some IBM computers
 * Spool (aeronautics), the unit of rotating components inside a jet engine
 * Spooling up, increasing RPMs and thrust in a jet engine after the throttle has been advanced
 * Spool, a device used in differentials
 * Winch
 * Hoist (device)