SNJ may refer to:
- Stroud News & Journal, an English newspaper
- The US Navy designation for the North American T-6 Texan training aircraft
- The ICAO code for Skynet Asia Airways
- The ISO 639-3 code for the Riverian Sango language
- Shingeki no Kyojin, a manga and anime
SNJ is a Brazilian rap group formed in São Paulo, Brazil. Formed in 1996, the group returned after a break with a new lineup. Sombra, Chris, Rebeld, Minari, Head and DJ Gilmar de Andrade. The SNJ has six disk and a DVD released.