OSJ

AcronymDefinition
OSJOptical Society of Japan (Japan Society of Applied Physics)
OSJOffice of Supervisory Jurisdiction (SEC)
OSJOrchestra of St John's (London, UK)
OSJOpera San Jose (San Jose, California)
OSJOrder of St. John of Jerusalem (Knights of Malta)
OSJOblates of St. Joseph (religious order)
OSJOcean Science Journal (Korea)
OSJOpen Source Japan
OSJOrder of St. James (Christian group)
OSJOpen Stub J-Pole (amateur radio antenna)
OSJOrder of the Knights Hospitaller of St. John of Jerusalem, Palestine, Rhodes, and Malta