Trn

Trn may refer to:

Geography

 * Trn, Široki Brijeg, a village in Široki Brijeg municipality, Bosnia and Herzegovina
 * Trn, Velika Kladuša, a village in Velika Kladuša municipality, Bosnia and Herzegovina
 * Tran, Bulgaria, a town in Pernik Province
 * Trn, Croatia, a village in the municipality of Slivno, Dubrovnik-Neretva County
 * Trn, North Macedonia, a village in Bitola municipality
 * Trn (Kuršumlija), a village in Kuršumlija municipality, Serbia

Other

 * The trn newsreader, a threading variant of rn