NSJ explained

NSJ could refer to:

• National Unity (Czech Republic), a Czech nationalist party
• Nevus sebaceous, a medical condition
• National Scout jamboree (Boy Scouts of America), an irregularly recurring event
• North San Jose, a neighborhood of San Jose, California, United States
• Nebraska State Journal, a former newspaper from 1857 to 1951
• Actinothrips, a genus of thrip insects, by Catalog of Life identifier