MMS may refer to: Science and technology Network communication protocols Multimedia Messaging Service for mobile phones Microsoft Media Server, a content-streaming protocol (mms://) Manufacturing Message Specification for real time process data Other Magnetospheric Multiscale Mission, NASA Massachusetts Medical Society Methyl methanesulfonate Moment magnitude scale of earthquake energy Multiscale Modeling and Simulation journal Schools Modern Montessori School, Amman, Jordan Marshall Middle School (Pittsburgh), US Mayo Clinic School of Medicine, US, formerly Mayo Medical School Margaret Mace School, the only school of the North Wildwood School District Government and politics Minerals Management Service, former U.S. agency Movimento Mérito e Sociedade (Merit and Society Movement), Portuguese political party Other uses M&M's Machinist's mate (shop mechanic), US Navy Miracle Mineral Supplement, bleach fraudulently sold as medicine M.M.S. (Mobile Missile System), a G.I. Joe playset Metropolitan mountaineering society, Philippines Metro Manila Subway, an under-construction rapid transit line in Philippines Medical Mission Sisters, a religious congregation MMS-class minesweeper, a class of British warships Master of Management Studies, a postgraduate academic degree course.