Jackson, Mississippi (Amtrak station), US, Amtrak station code JAN Jackson-Evers International Airport, Mississippi, US, IATA code Jabhat al-Nusra (JaN), a Syrian militant group Japanese Article Number, a barcode standard compatible with EAN Japanese Accepted Name, a Japanese nonproprietary drug name Job Accommodation Network, US, for people with disabilities Joint Army-Navy, US standards for electronic color codes, etc. Journal of Advanced Nursing