15N
# 15N

15N may refer to:

* Nitrogen-15 $(^{15}N),$ an isotope of nitrogen
   * Δ15N, use of the isotope in paleoclimatology and hydrology
   * Nitrogen-15 nuclear magnetic resonance spectroscopy, use of the isotope in spectroscopy
* Jenkins Airport (FAA code: N15), Wyoming, Kent County, Delaware, United States
