TRN

TRN may refer to:

*Rn (newsreader), a news client with a trn variant.
*Taiga Rescue Network.
*Talk Radio Network, an American syndicator of talk radio programming.
*Target Reference Number, a unique integer id given to a collection of points that describe the location of an object over time. Sometimes referred to as the Track Report Number.
*Terrain reference navigation.
*Thai Rural Net.
*Thalamic reticular nucleus, part of the ventral thalamus.
*The Rail Network, an American television network.
*The Radio Network, a New Zealand radio network.
*Total Return Net, a term from investment indices
*Transports Régionaux Neuchâtelois, a Swiss railway company .
*Turin International Airport (IATA: TRN), an airport in Turin, Italy.
*Trn, a surname of Czech descent.
*Topology representing network, Topology representing neural network.