MSJ

MSJ stands for:

• Magnetics Society of Japan, a professional society for physics
• Mathematical Society of Japan, the Japanese Mathematical Society
• Microsoft Systems Journal, a journal of Microsoft
• Mid-size jet, a model of the Brazilian aircraft manufacturer Embraer
• Missionarii Sancti Ioannis, Missionaries of St. John the Baptist, a Catholic men's religious
• Misawa Air Base, IATA code of the air base of the U.S. Air Force in Japan
• Monthly Shōnen Jump, a Japanese manga magazine
• Multiple Sclerosis Journal, a medical journal

• Disambiguation
• Abbreviation