| Acronym | Definition |
|---|
| MSS➣Manuscripts |
| MSS➣Michigan State Spartans (college sports) |
| MSS➣Managed Security Services (information security) |
| MSS➣Ministry of Social Solidarity (various locations) |
| MSS➣Municipal Sewage Sludge |
| MSS➣Maximum Segment Size (TCP/IP) |
| MSS➣Morehouse School of Medicine (est. 1975; Atlanta, GA) |
| MSS➣Mobile Satellite Services |
| MSS➣Multiple Steady State |
| MSS➣Manassas (Amtrak station code; Manassas, VA) |
| MSS➣Medical Staff Services (various organizations) |
| MSS➣Main Street Station |
| MSS➣Mass Storage System |
| MSS➣Miracle Software Systems (various locations) |
| MSS➣Manufacturers Standardization Society |
| MSS➣Multiple Sclerosis Society |
| MSS➣Membrane-Spanning Segments |
| MSS➣Middle School South (various locations) |
| MSS➣Mission Support Services (various organizations) |
| MSS➣Management Software System |
| MSS➣Mother Seton School (Emmitsburg MD) |
| MSS➣Mature Student Status (Canada) |
| MSS➣Maxim Staffing Solutions (various locations) |
| MSS➣Markville Secondary School (Canada) |
| MSS➣Mission Support Software |
| MSS➣Mass Storage Systems |
| MSS➣Multi Speaker System |
| MSS➣Microsoft Sans Serif |
| MSS➣Music Search System |
| MSS➣Managed Storage Services |
| MSS➣Mode Swap Sequence |
| MSS➣Miles Sound System |
| MSS➣Microprocessor Solutions Sector |
| MSS➣Multiservice Switching System |
| MSS➣Managed Storage Solution |
| MSS➣Modular Storage Server |
| MSS➣Managed Security Services |
| MSS➣Mobile Satellite Service |
| MSS➣Microsoft Speech Server |
| MSS➣Microsoft Security Summit |
| MSS➣Microsoft Solutions for Security |
| MSS➣Mechanical System Simulation |
| MSS➣Multiprotocol Switched Server |
| MSS➣Microsoft Sound System |
| MSS➣Maximum Segment Size |
| MSS➣Multi Spectral Scanning |
| MSS➣Maximum Super Sport |
| MSS➣Multi State System |
| MSS➣Managed Storage System |
| MSS➣Modular Storage Solution |
| MSS➣Maxtor Shared Storage |
| MSS➣Mission Support Squadron |
| MSS➣Multi-Spectral Scanner |
| MSS➣Multipurpose Senior Services (elder care) |
| MSS➣Microsoft Search Server (software) |
| MSS➣Merit System Services |
| MSS➣Mobile Servicing System |
| MSS➣Ministry of State Security (Chinese counterintelligence organization) |
| MSS➣Mobile Switching Centre Server |
| MSS➣Mitsubishi Space Software (Japan) |
| MSS➣Market Segment Specialization |
| MSS➣Mixed-Symmetry State (physics) |
| MSS➣Management Support System |
| MSS➣Mobile Softswitch Solution (software) |
| MSS➣Mystery-Shopping-Survey |
| MSS➣Manager of Student Services |
| MSS➣Management Supervisory Service (Washington, DC) |
| MSS➣Maternal Serum Screening |
| MSS➣Material Storage System (Texas) |
| MSS➣Management Systems Specialist (various companies) |
| MSS➣Medical Surgical Supply |
| MSS➣Midwest Sociological Society |
| MSS➣Mission Support System |
| MSS➣Mechanisms Subsystem (US NASA) |
| MSS➣Microsoft Sales Specialist |
| MSS➣Mechanical Support System |
| MSS➣Magnetic Single Shot (camera system) |
| MSS➣Mainzer Studienstufe |
| MSS➣Midwest Sprintcar Series |
| MSS➣Maritime Satellite Service |
| MSS➣Multispectral Scanner System |
| MSS➣Metrocrest Social Services (Farmers Branch, TX) |
| MSS➣Market Stabilization Scheme (Reserve Bank of India) |
| MSS➣Management System Standard |
| MSS➣Master of Space Studies |
| MSS➣Marinesco-Sjogren Syndrome |
| MSS➣Member of the Same Sex |
| MSS➣Message Switching System |
| MSS➣M.S. Swaminathan (Indian agricultural scientist) |
| MSS➣Meteorological Satellite Subsystem (US DoD) |
| MSS➣Master of Social Science |
| MSS➣Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. (also seen as MSSVF) |
| MSS➣Military Sensing Symposia |
| MSS➣Mobile Soft Switch |
| MSS➣Multiprotocol Switched Services (IBM) |
| MSS➣Medical Support Services |
| MSS➣Ministry of Social Services (replaced by Ministry of Human Resources and Social Development, Canada) |
| MSS➣Member Satisfaction Survey (various organizations) |
| MSS➣Metro Spy Supply (Alabama) |
| MSS➣Marketing Support Services (New Richmond, OH; est. 1987) |
| MSS➣Master of Social Service (degree) |
| MSS➣Mobile Support Station |
| MSS➣Magnetostrictive Sensor |
| MSS➣Management Systems Solutions |
| MSS➣Market Street Solutions (Chattanooga, TN) |
| MSS➣Marshall-Smith Syndrome |
| MSS➣Massena, NY, USA (Airport Code) |
| MSS➣Message Storage Server (Avaya) |
| MSS➣Mobile Service Structure |
| MSS➣Microprocessor Solutions Sector (various organizations) |
| MSS➣Master of Strategic Studies |
| MSS➣Municipal Support Services (various locations) |
| MSS➣Manufacturing Support Service |
| MSS➣Midlands Security Systems (UK) |
| MSS➣Multi-State System |
| MSS➣MAN Switching System (Seimens/Stromberg Carlson) |
| MSS➣Midland Secondary School (Canada) |
| MSS➣Minesweeper, Special (Device) |
| MSS➣Minimum Service Standards |
| MSS➣Market Segment Share |
| MSS➣Maintenance Subsystem |
| MSS➣Magnetic Sensing System |
| MSS➣Mohammed Saeed al-Sahaf (former Iraqi Minister of Information) |
| MSS➣Mission Sequence Subsystem (US NASA) |
| MSS➣Metropolitan Switching System |
| MSS➣Modify System State |
| MSS➣Market Survey System |
| MSS➣Medical Student Society |
| MSS➣Maximum Signal Strength |
| MSS➣Monash Science Society (Monash University, Australia) |
| MSS➣Mission Support Site (US military special forces) |
| MSS➣Montfort Secondary School |
| MSS➣Master-Slave Synchronization |
| MSS➣Mutual Separation Scheme (Malaysia) |
| MSS➣Mobility Services Suite (Symbol Technologies) |
| MSS➣Modular Space Station |
| MSS➣Mobile Support System |
| MSS➣Manic Syndrome Scale |
| MSS➣Maintenance, Start-Up, and Shutdown (Texas Commission on Environemental Quality) |
| MSS➣Mechanical Systems Simulation |
| MSS➣Memphis Soaring Society (aviation) |
| MSS➣Measurement and Stimulus Subsystem |
| MSS➣Mobile Switching Station |
| MSS➣Missile System Supervisor |
| MSS➣Mobile Servicing Station (space station) |
| MSS➣Medical Service Specialist (USAF) |
| MSS➣Marine Safety and Security |
| MSS➣Microsoft Support Services |
| MSS➣Management Statistics Subsystem |
| MSS➣Marine Scout Sniper |
| MSS➣Mine Search System |
| MSS➣Military Supply Standard |
| MSS➣Motion Sensing System |
| MSS➣Millimeter Simulation System |
| MSS➣Mechanically Separated Species |
| MSS➣Missile Security Squadron |
| MSS➣Merrimac State School (Gold Coast, Australia) |
| MSS➣Mission Systems Sector |
| MSS➣Meteorological Sounding Systems |
| MSS➣Materials Science in Space |
| MSS➣Maintenance Service Supplier |
| MSS➣Mudgeeraba Special School (Gold Coast, Australia) |
| MSS➣Maximum-Shear-Stress Theory (mechanical engineering) |
| MSS➣Major Shore Spares |
| MSS➣Medium Sun Sensor |
| MSS➣Maximum Soil Slope |
| MSS➣Meterological Satellite System |
| MSS➣Mudgeeraba State School (Gold Coast, Australia) |
| MSS➣Missionaries of the Blessed Sacrament (religious order) |
| MSS➣Modular Simulator System |
| MSS➣Missile Surface-to-Surface |
| MSS➣maritime security surge (operations) |
| MSS➣Modified Scram System |
| MSS➣Market Share System (US Army recruiting) |
| MSS➣Miami State School (Gold Coast, Australia) |
| MSS➣Manav Sthali School (New Delhi, India) |
| MSS➣Mission Scheduling System (NASA) |
| MSS➣Mechanical and Structural Subsystems |
| MSS➣Message Support Subsystem |
| MSS➣Measure and Support Services (Sprint) |
| MSS➣Mechanized Specification System |
| MSS➣Middle Stage Switch |
| MSS➣Military Supply Standards |
| MSS➣Main Shaft Speed |
| MSS➣Marine Salt Solution |
| MSS➣Microprocessor System Status |
| MSS➣Muscle Signs and Symptoms |
| MSS➣Manual Stack Survey (emissions) |
| MSS➣Matrix Switch System |
| MSS➣Mixed Signal Solutions, Inc. (Glen Ellyn, IL) |
| MSS➣McKeesport Symphony Society (McKeesport, Pennsylvania) |
| MSS➣Moored/Mobile Surveillance System |
| MSS➣Mormon Scripture Studies |
| MSS➣Multimedia Synchronization Server (Empirix) |
| MSS➣Materiel Support System |
| MSS➣Manufacturing Services Sector |
| MSS➣Mississippi Space Service |