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 Maximin share, a criterion of fair item allocation 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 Machinist's mate (shop mechanic), US Navy Master of Management, a postgraduate academic degree course. Medical Mission Sisters, a religious congregation Methodist Missionary Society of Australasia, a former division of the Methodist Church in Australia Metro Manila Subway, an under-construction rapid transit line in Philippines Metropolitan mountaineering society, Philippines Miracle Mineral Supplement, bleach fraudulently sold as medicine Musical Masterpiece Society, former record production and distribution company M.M.S. (Mobile Missile System), a G.I. Joe playset MMS-class minesweeper, a class of British warships
See also M&M's