GTN may refer to:
- Gas Transmission Northwest
- Gdańsk Scientific Society (Polish: Gdańskie Towarzystwo Naukowe)
- Gestational trophoblastic neoplasia
- Glentanner Aerodrome, in New Zealand
- Global Traffic Network, a traffic reporting service
- Global Trance Network, a German record label
- Glyceryl trinitrate
- Grangetown railway station, in Wales
- Gray Television, an American broadcaster
- Greater Talent Network, an American speakers bureau
- Guardian Television Network, in Columbus, Ohio
- Global Television Network
This disambiguation page lists articles associated with the title GTN.
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