- The soft feathery material which protects the fruiting part of a thistle.
- Thistledown, a 1938 British musical film
- One of the servers in which the Massively Multi-player Online Role Playing Game Asheron's Call takes place, with characters you create, set in the fictional land of Dereth.
- The name of the giant asteroid starship which serves as a venue for some of the action in science fiction author Greg Bear's The Way fictional universe (Eon, Eternity, Legacy).
- The name of a fairie, a character in the book Flower Fables written by Louisa May Alcott.
- Thistledown Racecourse, a thoroughbred racing track in North Randall, Ohio, near Cleveland.
- Thistledown, a name of a village in the online RPG Hammerfall.
- Thistledown [www.thistledown.org.uk] an environmental campsite near Stroud, Gloucestershire
|This disambiguation page lists articles associated with the title Thistledown.
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