MS
- ms
- (s) Malay language (ISO 639-1 code)
- Millisecond
- mS – (s) Millisiemens
- Ms – (s) Megasecond
- MS
- (i) mano sinistra (Latin, "left hand")
- (p) manuscript
- (i) Master of Science
- (s) Megasiemens
- (p) Microsoft (sometimes M$)
- (s) Mississippi (postal symbol)
- Montserrat (ISO 3166 digram)
- (i) Multiple Sclerosis
- M&S
- (i) Modelling & Simulation
- Marks & Spencer
- msa – (s) Malay language (ISO 639-2 code)
- MSB
- (i) Main Support Battalion
- Most Significant Bit (or Byte)
- MSD – (i) Minimum Safe Distance
- MSDB – (i) Multi Source Data Base
- MSDE
- (i) Maryland State Department of Education
- (p) Microsoft Data Engine
- Microsoft SQL Server 2000 Desktop Engine
- (i) Military Scenario Development Environment
- Mission Simulation Dynamic Engine
- MSDL – (i) Military Scenario Definition Language
- MSE – (i) Multiple Subscriber Element
- MSEC – (p) Message Security Encryption Code ("emm-sec")
- MSG
- (i) MonoSodium Glutamate
- Madison Square Garden (either the 1879, 1890, 1925, or current versions of the venue)
- MSH
- (i) Medium Support Helicopter
- Mount Saint Helens
- MSI
- (i) Micro-Star International
- (p) Multispectral imagery
- MSIE
- (i) Microsoft Internet Explorer
- Master of Science in Industrial Engineering
- MSL
- (i) Mars Science Laboratory
- Mean Sea Level
- (p) Missile
- MSLP – (i) Mean Sea Level Pressure
- MSM – (i) Mount St Mary's School
- MSN
- (i) Microsoft Network
- Master of Science in Nursing
- MSNBC – (i) Microsoft National Broadcasting Company Cable news channel (see also msnbc.com)
- MSO – (i) Multiple System Operator
- MSPA
- (p) Migrant and Seasonal worker Protection Act
- (a) MS Paint Adventures
- MSPB – (i) Merit Systems Protection Board
- MSR
- (i) Main Supply Route
- Module Service Record
- (s) Montserrat (ISO 3166 trigram)
- (i) Motor Schlepp Regulung
- Mountain Safety Research (outdoor supplies manufacturer)
- MSSA – (i) Methicillin-susceptible Staphylococcus aureus
- MST
- (i) Madison Symmetric Torus
- Mountain Standard Time (UTC-7 hours)
- MST3K or MST3k – (i) Mystery Science Theater 3000
- MSU
- (i) Michigan State University
- Montana State University
- Mountain State University
- Lomonosov Moscow State University (Russia, a.k.a. MGU)
Read more about this topic: List Of Acronyms And Initialisms: M