PSJ

PSJ may refer to:


 * Port St. John, Florida, USA; a CDP
 * Kasiguncu Airport (IATA airport code: PSJ, ICAO airport code: WAMP), Poso, Indonesia
 * Photographic Society of Japan
 * Philippine School in Jeddah, now International Philippine School in Jeddah
 * Polskie Stowarzyszenia Jazzowe