| M&S | Marks & Spencer  
| Company |
| M&S | Mathematics & Statistics
| Others |
| M&S | Modeling and Simulation
| Others |
| M&S | Mud and Snow
| Others |
| M/S | M & S Systems
| Others |
| M/S | Master/Session
| Others |
| M/S | Measurement Stimuli
| Others |
| M/s | Messrs
| Others |
| m/s | Meter per second
| Others |
| M/S | Meters Per Second
| Others |
| m/s | miles per second
| Others |
| M/S | Motor Ship
| Others |
| MS | EgyptAir
| Others |
| MS | Formatted manual page with Microsoft macros
| Others |
| MS | Machine Screw
| Others |
| MS | Machine Steel
| Others |
| MS | Mad Scientist
| Others |
| MS | Mad Skills
| Others |
| MS | Maffuci syndrome
| Others |
| MS | Magic Shield
| Others |
| MS | Magic Shop
| Others |
| MS | Magic Sum
| Others |
| MS | Magnesium Sulphate
| Others |
| MS | Magnum Series
| Others |
| MS | Mail For Staff
| Others |
| MS | Mail Slot
| Others |
| MS | Mail Stop
| Others |
| MS | Main Sequence
| Others |
| MS | Main Spring
| Others |
| MS | Mainstream Smoke
| Others |
| MS | Maintenance and Servicing
| Others |
| MS | Major Supplier
| Others |
| MS | maladjustment score Psychology
| Others |
| MS | Malate Synthase
| Others |
| MS | Malicious System
| Others |
| MS | Malignant Schwannoma
| Others |
| MS | Mammal Society
| Others |
| MS | Man Stuck
| Others |
| MS | Man System
| Others |
| MS | Management Science
| Others |
| MS | Management System
| Others |
| MS | Management Systems
| Others |
| MS | Manchester Scale
| Others |
| MS | Mandibular Series
| Others |
| MS | Manduca sexta
| Others |
| MS | Manga Spoilers
| Others |
| MS | Mannose-Sensitive
| Others |
| MS | Manuscript
| Others |
| MS | ManuScris
| Others |
| MS | Many Symptoms
| Others |
| MS | Maple Story
| Others |
| MS | Mara Salvatrucha
| Others |
| MS | Marbling Score
| Others |
| MS | Marfan syndrome
| Others |
| MS | Marital Status
| Others |
| MS | Market Survey
| Others |
| MS | Marketing Strategy
| Others |
| MS | Markleton Sanitarium
| Others |
| MS | Marks And Spencers
| Others |
| MS | Martensite
| Others |
| MS | Martha Stewart
| Others |
| MS | Masochism and Sadism
| Others |
| MS | Mass Screening
| Others |
| MS | Mass Spectra
| Others |
| MS | Mass Spectrometer
| Others |
| MS | Mass Spectrometry
| Others |
| MS | Mass Spectroscopy
| Others |
| MS | Mass Storage
| Others |
| MS | Massa-Carrara (Provence)
| Others |
| MS | Master of Science
| Others |
| MS | Master of Surgery
| Others |
| MS | Master Schedule
| Others |
| MS | Master Seaman
| Others |
| MS | Master Slave
| Others |
| MS | Master Switch
| Others |
| MS | Master-Slave
| Others |
| MS | Masters of Science
| Others |
| MS | Matched Set
| Others |
| MS | Material Science
| Others |
| MS | Material Specification
| Others |
| MS | Materials Science
| Others |
| MS | Maternal Separation
| Others |
| MS | Maternal Serum
| Others |
| MS | Math-Science Quest for Solutions
| Others |
| MS | Mathematical Sciences
| Others |
| MS | Mating Sequence
| Others |
| MS | Matrix Scalar
| Others |
| MS | Matthieu Scherrer
| Others |
| MS | Matys Scripts
| Others |
| MS | Max Schonfield
| Others |
| MS | Maxillary Sinus
| Others |
| MS | Mean Salary
| Others |
| MS | Mean Score
| Others |
| MS | Mean Sensitivity
| Others |
| MS | Mean Square
| Others |
| MS | Mean Squared
| Others |
| MS | Mean Survival
| Others |
| MS | Mechanical Stimulation
| Others |
| MS | Mechanical Stress
| Others |
| MS | Meckel syndrome
| Others |
| MS | Medial Septum
| Others |
| MS | Median Survival
| Others |
| MS | Mediastinal Shift
| Others |
| MS | MediastinoScopy
| Others |
| MS | Medical Services
| Others |
| MS | Medical Staff
| Others |
| MS | Medical Student
| Others |
| MS | Medical Supplies
| Others |
| MS | Medium Shot
| Others |
| MS | Meet Students
| Others |
| MS | Mega Success
| Others |
| MS | Mellemfolkeligt Samvirke
| Others |
| MS | Member State (EU)
| Others |
| MS | Memory Scrubbing
| Others |
| MS | Memory Stick
| Others |
| MS | Memory Store
| Others |
| MS | Men's Soccer
| Others |
| MS | Menkes syndrome
| Others |
| MS | Menopausal Syndrome
| Others |
| MS | Menstrual Syndrome
| Others |
| MS | Mental Status
| Others |
| MS | Mental Stress
| Others |
| MS | mercaptosuccinate
| Others |
| MS | mercaptosuccinic acid
| Others |
| MS | Merchant Server
| Others |
| MS | Merchant Ship
| Others |
| MS | Mercy Ships
| Others |
| MS | Mess Specialist
| Others |
| MS | Message Server
| Others |
| MS | Message Size
| Others |
| MS | Message Store
| Others |
| MS | Message Switch Ms Millisecond
| Others |
| MS | Meta Stable
| Others |
| MS | Metal Spiral
| Others |
| MS | Meteor Scatter
| Others |
| MS | Methenamine Silver
| Others |
| MS | Methionine Synthase
| Others |
| MS | methysergide
| Others |
| MS | Meticillin-Sensitive
| Others |
| MS | Metric System
| Others |
| MS | Metro Station
| Others |
| MS | Metroplex Subsidiary
| Others |
| MS | Michael Schumacher
| Others |
| MS | Michigan Shore Railroad
| Others |
| MS | Michigan Shore Railroad Incorporated
| Others |
| MS | Micro-Switch
| Others |
| MS | Microphotography Standard
| Others |
| MS | microsatellite
| Others |
| MS | MicroSoft
| Others |
| MS | Microsoft antivirus report (MSAV)
| Others |
| MS | Microsoft Corporation
| Company |
| MS | Microsoft Skype
| Others |
| MS | Microsoft Systems
| Others |
| MS | microsomal
| Others |
| MS | microsphere
| Others |
| MS | Microwave Scanner
| Others |
| MS | Mid Side
| Others |
| MS | Mid South
| Others |
| MS | Middle School
| Others |
| MS | Midnight Special
| Others |
| MS | Mighty Soul
| Others |
| MS | Mighty Special
| Others |
| MS | Mighty Spirit
| Others |
| MS | Mil-Spec
| Others |
| MS | Milattan Sonra
| Others |
| MS | Mild Steel
| Others |
| MS | MileStone
| Others |
| MS | Milisecond
| Others |
| MS | Military Science
| Others |
| MS | Military Standard (Parts Designation)
| Others |
| MS | Military Stone
| Others |
| MS | Millennial Star
| Others |
| MS | Milli Seconds
| Others |
| MS | Milli-Second
| Others |
| MS | Millions of Stars
| Others |
| MS | Millions Shafted
| Others |
| ms | Millisecond
| Others |
| MS | MilliSeconds
| Others |
| MS | Mimicking Stroke
| Others |
| MS | Mineralising Surface
| Others |
| MS | Mineralogical Society
| Others |
| MS | Mineralogical Society of Great Britain and Ireland
| Others |
| MS | MineSweeper
| Others |
| MS | Miniature Smooth
| Others |
| MS | Minimal Standard
| Others |
| MS | Minimal Support
| Others |
| MS | Ministerio de Sanidad
| Others |
| MS | Minor Setback
| Others |
| MS | Minor Stroke
| Others |
| MS | Minor Surgery
| Others |
| MS | Mint State
| Others |
| MS | Miracle Strength
| Others |
| MS | Mirrored Server
| Others |
| Ms | Miss
| Others |
| MS | Miss As
| Others |
| MS | Miss Stubborn
| Others |
| MS | missense
| Others |
| MS | Missing Sense
| Others |
| MS | Missing Something
| Others |
| MS | Mission Specialist
| Others |
| MS | Mission Station
| Others |
| MS | Mississippi
| State |
| MS | Mississippi State
| Others |
| MS | Mister Snoopy
| Others |
| MS | Mitral Sound
| Others |
| MS | Mitral Stenosis
| Others |
| MS | Mitsui Steamship
| Others |
| MS | Mobile Station
| Others |
| MS | Mobile Suit
| Others |
| MS | Mobile Surgery
| Others |
| MS | Mode Switching
| Others |
| MS | Modeling Standard
| Others |
| MS | Moderately Susceptible
| Others |
| MS | Modified Service
| Others |
| MS | Modular System
| Others |
| MS | Moggy Soft
| Others |
| MS | Mohammed Saber
| Others |
| MS | Mohd Sultan
| Others |
| MS | Molar Solution
| Others |
| MS | Molecular Sieve
| Others |
| MS | Molecular Substitution
| Others |
| MS | Money Supply
| Others |
| MS | Mongrel Soft
| Others |
| MS | Monitoring the Stratosphere
| Others |
| MS | Montserrat
| Others |
| MS | Mood Stabiliser
| Others |
| MS | Moral Standard
| Others |
| MS | Moral Support
| Others |
| MS | Morgan Stanley
| Others |
| MS | Morning Sickness
| Others |
| MS | Morning Star
| Others |
| MS | Morning Stiffness
| Others |
| MS | Morphine Sulfate
| Others |
| MS | Morphine Sulphate
| Others |
| MS | Morphy Synthesis
| Others |
| MS | Mortgage Servicer
| Others |
| MS | Mortuary Science
| Others |
| MS | Most Significant
| Others |
| MS | Most Specific
| Others |
| MS | Motor Saw
| Others |
| MS | Mount Shasta
| Others |
| MS | Mountaineering School
| Others |
| MS | Movie Star
| Others |
| MS | Movie Stills
| Others |
| Ms | Mrs / Miss
| Others |
| MS | MS stand
| Others |
| MS | Much Stamina
| Others |
| MS | mucosubstance
| Others |
| MS | Multi Species
| Others |
| MS | Multi Speed
| Others |
| MS | Multi State
| Others |
| MS | Multi Strategy
| Others |
| MS | Multi-Set
| Others |
| MS | Multi-Spectral
| Others |
| MS | Multi-Speed
| Others |
| MS | Multidisciplinary Studies
| Others |
| MS | Multiple sclerosis
| Others |
| MS | Multiple Stream
| Others |
| MS | Multiple Surface
| Others |
| MS | Multistring
| Others |
| MS | Munter System
| Others |
| MS | Muscle Shoals
| Others |
| MS | Muscle Strength
| Others |
| MS | musculoskeletal
| Others |
| MS | Musical Similarities
| Others |
| MS | My Shot
| Others |
| MS | My Solitude
| Others |
| MS | My Story
| Others |
| MS | Mystery Solved
| Others |
| MS | Typo for MRS.
| Others |
| MS | Worksheet (Maple)
| Others |