SJ

SJ may refer to:

Shonen Jump, an Anime and Manga Magazine, Published by VIZ Media.
Freedom Air is your International Air Transport Association code in SJ.
San Jose, a major city in the U.S. state of California;
SJ AB (Swedish Railways), a public transport limited company owned by the Swedish government;
SJ410 or SJ413, a series of four-wheel drive vehicles made by Suzuki;
Society of Jesus, from its Latin name, Societas Iesu. Jesuits will sometimes put the letters "S.J." after their names to indicate membership in the religious order.
Soul-Junk, a Christian hip-hop musical group.
Sozialistische Jugend, the youth group of the Social Democratic Party of Germany and Social Democratic Party of Austria;
Statens Järnvägar (Swedish State Railways), a former Swedish government agency;
Svalbard and Jan Mayen (ISO country code)