Kate Crackernuts (or Katie Crackernuts) is a Scottish fairy tale collected by Andrew Lang in the Orkney Islands and published in LONGMAN'S MAGAZINE in 1889. Joseph Jacobs edited and republished the tale in his English Fairy Tales (1890). The tale is about a princess who rescues her beautiful sister from an evil enchantment and a prince from a wasting sickness caused by dancing nightly with the fairies. The tale has been adapted to a children's novel and a stage play.