SJ may refer to:
Weekly Shonen Jump Sutcliffe Jugend Superjet Suure-Jaani Youth group Strafe-jumping Suzuki SJ SJ AB Freedom Air Power electronics Soul-Junk Stephan Jenkins Statens Järnvägar Svalbard and Jan Mayen St. John's Jesuit High School and Academy SM Entertainment Subang Jaya Christian hip hop Super Junior Samurai Jack Third Eye Blind South Jersey Viz Media Social Democratic Party of Austria Scarlett Johansson Boy band St. John's, Newfoundland and Labrador Steve Jobs Society of Jesus Social Democratic Party of Germany Apple Inc. San Jose, California Newfoundland and Labrador Estonia Webcomic South Korea Christian New Jersey Manga Anime