| Acronym | Definition |
|---|
| JN➣Journal of Neurophysiology |
| JN➣Jornal de Notícias (Portugal) |
| JN➣Journal of Nutrition |
| JN➣Jack Nicholson (actor) |
| JN➣Job Number |
| JN➣Jimmy Neutron (cartoon character) |
| JN➣Japanese National |
| JN➣Joe Nichols (country music artist) |
| JN➣Jason Newsted (bass for band Metallica) |
| JN➣Johnson Noise |
| JN➣Joy Net (Gold Coast, Australia) |
| JN➣Jet Navigation |