SNJ

SNJ may refer to:
 * Stroud News & Journal, an English newspaper
 * The LRT station abbreviation for Senja LRT station, Bukit Panjang, Singapore
 * The US Navy designation for the North American T-6 Texan training aircraft
 * The ICAO code for Skynet Asia Airways
 * Sango language, ISO 639-3 code
 * Switching noise jitter