Thorn(s) or The Thorn(s) may refer to:
Botany
* Thorns, spines, and prickles, sharp structures on plants
* '' Crataegus monogyna'', or common hawthorn, a plant species
Comics and literature
* Rose and Thorn, a DC Comics character
* Thorn (Marvel Comics), a fictional character from Marvel Comics
* Thorn (''Inheritance''), a dragon from the ''Inheritance cycle''
* ''Thorns'' (novel), a 1967 science fiction novel by Robert Silverberg
* ''Thorn'', a 1982–1986 comic strip by Jeff Smith
* Thorn Harvestar, a main character in Jeff Smith's '' Bone'' series
* "The Thorn", a poem by William Wordsworth in '' Lyrical Ballads'', 1798
* Thorn, a fictional character in the '' Wings of Fire'' series
Companies, organisations and teams
* Thorn (organization), a surveillance software vendor and anti-human-trafficking organization
* Thorn Electrical Industries, an electrical engineering business
* Thorn EMI, a major British company involved in consumer electronics, music, defence and reta ...