The abbreviation JN stands for:

  • Jan Mayen, country code of the island after the " FIPS PUB 10-4 territory code"
  • Johnson - Nyquist noise, caused by thermal motion of the charge carriers in electric circuits noise
  • Young National Democrats, the youth organization of the extreme right party NPD
  • Jurassic Neuchâtelois, a former railway company in Switzerland
  • Jurisdiction Act, Austrian law governing the exercise of jurisdiction and the jurisdiction of the ordinary courts in civil law matters.

JN as distinguishing signs on license plate:

  • Norway: Gjøvik in the province of Oppland
  • Czech Republic: for Okres Jablonec nad Nisou, German: Jablonec nad Nisou ( discontinued)
  • Disambiguation
  • Abbreviation