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
• "Witches Hat", a song on the Incredible String Band album The Hangman's Beautiful Daughter

This disambiguation page lists articles associated with the title Witches' hat.
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