Flail (disambiguation)

A flail is an agricultural implement for threshing.

Flail may also refer to:
 * Flail (weapon), a ball-on-a-chain bludgeon wielded with one hand by armored knights in single combat or medieval battles
 * Flail, the cutting part in some designs of brush hog, stump grinder, and woodchipper
 * Mine flail, a vehicle mounted device for removing land mines