Witches' hat

Witch hat, Witches hat, or Witches' hat may refer to:


 * Anti-trespass panels, rubber mats with cones or pyramids used by railroads to prevent people from walking on or near tracks
 * A hat belonging to a witch (witch hat)
 * A turret with a conical roof (see also, witch tower)
 * A traffic cone
 * A cone shaped playground roundabout that is mounted in such a way that the axis of rotation is free to tilt
 * Hygrocybe conica, a small mushroom in the genus Hygrocybe