Thorn

Thorn (or Thorne) could refer to:
 * People:
 * Michael Thorn
 * Claire Thorn
 * Starships and vehicles:
 * GCS Thorn
 * USS Thorn
 * Technology and weapons:
 * FireThorn class
 * VenomThorn class
 * Lifeforms:
 * iron thorn tree
 * Real-life topics:
 * Geoffrey Thorne