Quoin (disambiguation)

Quoins are masonry blocks at the corner of a wall.

Quoin or Du Quoin may also refer to:

Places

 * Quoin Bluff, Western Australia
 * Quoin Hill Airfield, Vanuatu
 * Du Quoin, Illinois, USA
 * Du Quoin station
 * Du Quoin State Fairgrounds
 * DuQuoin State Fairgrounds Racetrack

Other

 * Quoin (gunnery), a wedge used in aiming a cannon
 * Quoin (printing), wooden or metal wedges or cam operated devices for locking printing type into a chase