BTN
BTN is an abbreviation for:
- Berlin - Tag & Nacht , a German pseudo-docu-soap from the TV station RTL II
- Bhutan , as country code according to ISO 3166 and ITU country code of the International Telecommunication Union
- Business Tower Nuremberg , the second tallest office building in Bavaria owned by Nürnberger Versicherung
- Ngultrum , as a currency code according to ISO 4217 for the currency of Bhutan