STJ may refer to:
- St. John's International School (disambiguation)
- St. John's University (New York)
- Superconducting tunnel junction
- Severn Tunnel Junction railway station, Wales; National Rail station code STJ
- Rosecrans Memorial Airport, IATA code STJ
- Superior Tribunal de Justiça, the highest court in Brazil
This disambiguation page lists articles associated with the title STJ.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: