| MCS | IEEE Microwave and Millimeter-wave Monolithic Circuits Symposium 
| Others |
| MCS | Machine Code Simulator
| Others |
| MCS | Machine Control System
| Others |
| MCS | Machine Coordinate System
| Others |
| MCS | Macromedia Common Scripting
| Others |
| MCS | Mail Classification Schedule
| Others |
| MCS | Maintenance and Checkout Station
| Others |
| MCS | Maintenance Control Subsystem
| Others |
| MCS | Malaysia Championship Series
| Others |
| MCS | Maldives Customs Service
| Agency, Police |
| MCS | Mallen Consulting Services
| Others |
| MCS | Managed Career Solutions
| Others |
| MCS | Managed Cluster Service
| Others |
| MCS | Managed Communication Services
| Others |
| MCS | Management Computer Systems
| Others |
| MCS | Management Consulting Services
| Others |
| MCS | Maneuver Control System
| Others |
| MCS | Manhattan Country School
| Others |
| MCS | Manual Control Switch
| Others |
| MCS | Marine Core Service
| Others |
| MCS | Marine Corps System
| Others |
| MCS | Mariners Christian School
| Others |
| MCS | Mars Climate Sounder
| Others |
| MCS | Maryknoll Convent School
| Others |
| MCS | Maryville Christian School
| Others |
| MCS | Maserati Club Sweden
| Others |
| MCS | Massena Central School
| Others |
| MCS | Master Control Station
| Others |
| MCS | Master Control System
| Others |
| MCS | Master of Christian Studies
| Others |
| MCS | Master of Computer Sciences
| Others |
| MCS | Master of Cyber Security
| Others |
| MCS | Master's in Communication Studies
| Others |
| MCS | Masters in Computer Science
| Others |
| MCS | Matched Component System
| Others |
| MCS | Matched Component Systems
| Others |
| MCS | Material Control System
| Others |
| MCS | MathCAD Image file
| Others |
| MCS | Mathematical and Computer Sciences
| Others |
| MCS | Mathematical Computer Science
| Others |
| MCS | Mathematics and Computer Science
| Others |
| MCS | Matra Club Suisse
| Others |
| MCS | Mazda Capital Services
| Others |
| MCS | Mazda Club Singapore
| Others |
| MCS | MCS Community Services
| Others |
| MCS | Measurements Calibration System
| Others |
| MCS | Mechanical and Ceramic Solutions
| Others |
| MCS | Media and Communications Studies Site
| Others |
| MCS | Media Control Server
| Others |
| MCS | Media Convergence Server
| Others |
| MCS | Media Convergence Servers
| Others |
| MCS | Meeting Communications Service
| Others |
| MCS | Membership Communication System
| Others |
| MCS | Membership Communications System
| Others |
| MCS | Memory Card Socket
| Others |
| MCS | Memphis City School
| Others |
| MCS | Memphis City Schools
| Others |
| MCS | Mental Component Score
| Others |
| MCS | Mentor Coach Specialist
| Others |
| MCS | Merge Call Segment
| Others |
| MCS | Mesoscale Convective System
| Others |
| MCS | Message Control System
| Others |
| MCS | Messy Crackpot Service
| Others |
| MCS | Metropolitan Community Services
| Others |
| MCS | Miata Club of Sweden
| Others |
| MCS | Miata Club Sicilia
| Others |
| MCS | Miata Club Singapore
| Others |
| MCS | Miata Club Sport
| Others |
| MCS | Michigan Competitive Scholarship
| Others |
| MCS | Micro Computer Set
| Others |
| MCS | Micro Computer System
| Others |
| MCS | Micro Control Solutions
| Others |
| MCS | Micro Control Systems
| Others |
| MCS | Microbial culture and sensitivity
| Others |
| MCS | Microgeneration Certification Scheme
| Others |
| MCS | Micronational Cartography Society
| Others |
| MCS | Microscopy
| Others |
| MCS | Microshaft Certified Sales
| Others |
| MCS | Microsoft Certificate Server
| Others |
| MCS | Microsoft Certificate Store
| Others |
| MCS | Microsoft Class Server
| Others |
| MCS | Microsoft Cognitive Services
| Others |
| MCS | Microsoft Consulting Services
| Others |
| MCS | Middle Child Syndrome
| Others |
| MCS | Middle Class Scholarship
| Others |
| MCS | Milano Car Sharing
| Others |
| MCS | Mileage Collection Subsystem
| Others |
| MCS | Military Capabilities Study
| Others |
| MCS | Mine Countermeasures Ship
| Others |
| MCS | Mini Club Sussex
| Others |
| MCS | Mini Control System
| Others |
| MCS | Mini Cooper S
| Others |
| MCS | Mini Cooper S (type of car)
| Others |
| MCS | Minimal Common Supertype
| Others |
| MCS | Minimally Conscious State
| Others |
| MCS | Minimum Company Standards
| Others |
| MCS | Ministry of Consumer Services
| Others |
| MCS | Mission Critical Solutions
| Others |
| MCS | Mitchell Carlson Stone
| Others |
| MCS | Mitsubishi Club Slovenija
| Others |
| MCS | Mitsubishi Club Spain
| Others |
| MCS | Mitsubishi Club Sweden
| Others |
| MCS | Mix of Church and State
| Others |
| MCS | Mixture Control Solenoid
| Others |
| MCS | Mixture Control System
| Others |
| MCS | Mobile Camouflage System
| Others |
| MCS | Mobile Car Services
| Others |
| MCS | Mobile Car System
| Others |
| MCS | Mobile Charging Station
| Others |
| MCS | Mobile Cloud Service
| Others |
| MCS | Mobile Communication Services
| Others |
| MCS | Mobile Connectivity Server
| Others |
| MCS | Mobile Control Systems
| Others |
| MCS | Mobility Car Sharing
| Others |
| MCS | Modeling Collaboratory for Subduction
| Others |
| MCS | Modern Combat Sports
| Others |
| MCS | Modesto City Schools
| Others |
| MCS | Modification Control Statement
| Others |
| MCS | Modified Cornell System
| Others |
| MCS | Modify Comment Section
| Others |
| MCS | Modular Cable Split
| Others |
| MCS | Modular Cable Splitter
| Others |
| MCS | Modular Causeway System
| Others |
| MCS | Modular Configuration System
| Others |
| MCS | Modular Control System
| Others |
| MCS | Modulation and Coding Scheme
| Others |
| MCS | Modulation Coding Scheme
| Others |
| MCS | Moisture Control System
| Others |
| MCS | Mondial Compact System
| Others |
| MCS | Monitor and Control Software
| Others |
| MCS | Monitor and Control Subsystem
| Others |
| MCS | Monitoring and Control System
| Others |
| MCS | Monitoring Control And Surveillance
| Others |
| MCS | Monte Carlo Simulation
| Others |
| MCS | Monteverdi Club Schweiz
| Others |
| MCS | Morgan County Speedway
| Others |
| MCS | Mortgage Contracting Services
| Others |
| MCS | Morts Computer Solutions
| Others |
| MCS | Motability Car-Sharing Switzerland
| Others |
| MCS | Motion City Soundtrack
| Others |
| MCS | Motion Control Suspension
| Others |
| MCS | Motor Caravan Section
| Others |
| MCS | Motor Carrier Safety
| Others |
| MCS | Motor Carrier Services
| Others |
| MCS | Motor Cross South
| Others |
| MCS | Multi Carrier Mode
| Others |
| MCS | Multi Cast Server
| Others |
| MCS | Multi Category Security
| Others |
| MCS | Multi Channel Sound
| Others |
| MCS | Multi Channel Surround
| Others |
| MCS | Multi Channel System
| Others |
| MCS | Multi Channel Systems
| Others |
| MCS | Multi Contour Seat
| Others |
| MCS | Multi Core Simulator
| Others |
| MCS | Multi-Channel Seismic
| Others |
| MCS | Multi-Client Services
| Others |
| MCS | Multi-Colored Stemware
| Others |
| MCS | Multichannel Communication Server
| Others |
| MCS | Multichannel Communications System
| Others |
| MCS | Multifunctional Crypto System
| Others |
| MCS | Multilevel Coordinate Search
| Others |
| MCS | Multimedia Communication Switch
| Others |
| MCS | Multimedia Communications Server
| Others |
| MCS | Multimedia Conferencing System
| Others |
| MCS | Multinational Character Set
| Others |
| MCS | Multiple Chemical Sensitivities
| Others |
| MCS | Multiple Chemical Sensitivity
| Others |
| MCS | Multiple Cloning Site
| Others |
| MCS | Multiple Cloning Sites
| Others |
| MCS | Multiple Connections Per Session
| Others |
| MCS | Multiple Console Support
| Others |
| MCS | Multipoint Communication Service
| Others |
| MCS | Multipoint Control Services
| Others |
| MCS | Multivendor Customer Services
| Others |
| MCS | Muncie Community Schools
| Others |
| MCS | Murfreesboro City Schools
| Others |
| MCS | Music Chord System
| Others |
| MCS | Mustang Club of Switzerland
| Others |
| MCS | Muzeul Cristuru Secuiesc
| Others |
| MCS | My Car Story
| Others |