| MOS | Ma On Shan, Hong Kong 
| Others |
| MOS | Magnetic Organization System
| Others |
| MOS | Magneto Optic Storage
| Others |
| MOS | Maintenance Operations Support Clerk
| Others |
| MOS | Maintenance Override Switch
| Others |
| MOS | Make Over Specialist
| Others |
| MOS | Mambo Open Source
| Others |
| MOS | Man Of Steel
| Others |
| MOS | Man On Street
| Others |
| MOS | Man On the Street
| Others |
| MOS | Managed Object System
| Others |
| MOS | Management Operating System
| Others |
| MOS | Maneuver Observation System
| Others |
| MoS | Manual of Style
| Others |
| MOS | Margin Of Safety
| Others |
| MOS | Margin Of Success
| Others |
| MOS | Margin On Services
| Others |
| MOS | Marine Observation Satellite
| Others |
| MOS | Marine Observations Satellite
| Others |
| MOS | Marine Occupational Specialties
| Others |
| MOS | Marketing Opportunity Specialist
| Others |
| MOS | Maryland Ornithological Society
| Others |
| MOS | Maserati Of Sacramento
| Others |
| MOS | Master Operating System
| Others |
| MOS | Mastery Of Stealth
| Others |
| MOS | Material Order System
| Others |
| MOS | Materials On Site
| Others |
| MOS | Mathematical Optimization Society
| Others |
| MOS | Mean Opinion Score
| Others |
| MOS | Mean Opinion Scoring
| Others |
| MOS | Media Object Server
| Others |
| MOS | Media Object Servers
| Others |
| MOS | Medical Office Specialist
| Others |
| MOS | medical outcomes Study
| Others |
| MOS | Meeting Of Styles
| Others |
| MOS | Member of Opposite Sex
| Others |
| MOS | Member Of Service
| Others |
| MOS | Member Of the Service
| Others |
| MOS | Members Only Site
| Others |
| MOS | Members, Owners, and Staff
| Others |
| MOS | Memory On Silicon
| Others |
| MOS | Mercantile Office System
| Others |
| MOS | Metadata Organization System
| Others |
| MOS | Metal On Silicon
| Others |
| MOS | Metal Oxide on a Substrate
| Others |
| MOS | Metal Oxide on Semiconductor
| Others |
| MOS | Metal Oxide Semiconductor
| Others |
| MOS | Metal Oxide Silicon
| Others |
| MOS | Metal-Oxide-Semiconductor
| Others |
| MOS | Michigan Office Solutions
| Others |
| MOS | Microsoft Office Specialist
| Others |
| MOS | Microsoft Office Starter
| Others |
| MOS | Microsoft Office System
| Others |
| MOS | Microsoft Online Service
| Others |
| MOS | Military Occupation Specialties
| Others |
| MOS | Military Occupational Speciality
| Others |
| MOS | Military Occupational Specialties
| Others |
| MOS | Military Occupational Specialty
| Others |
| MOS | Military Occupatonal Specialty
| Others |
| MOS | Military Oceanography Subcommittee
| Others |
| MOS | Minimum Operable Segment
| Others |
| MOS | Minimum Operating Strip
| Others |
| MOS | Minimum Operating System
| Others |
| MOS | Minions Of Satan
| Others |
| MoS | Minister of State
| Others |
| MOS | Ministry Of Security
| Others |
| MOS | Ministry of Sound
| Others |
| MOS | Ministry Of Sports
| Others |
| MOS | Mission Of Specialty
| Others |
| MOS | Mission Operation System
| Others |
| MOS | Mission Operations System
| Others |
| MOS | Missouri Oncology Society
| Others |
| MOS | Mit Out Sound
| Others |
| MOS | Mobile Office Suite
| Others |
| MOS | Mobile Office Support
| Others |
| MOS | Mobile Office System
| Others |
| MOS | Model Operating System
| Others |
| MOS | Model Output
| Others |
| MOS | Model Output Statistics
| Others |
| MOS | Modular Optic System
| Others |
| MOS | Modular Optical Scanner
| Others |
| MOS | Mohican Outdoor School
| Others |
| MOS | Mom Over Shoulder
| Others |
| MOS | Moment Of Symmetry
| Others |
| MOS | Money Order Sales
| Others |
| MOS | Month Of Supply
| Others |
| MOS | Mors Omnia Solvit (Latin for deat solves everything)
| Others |
| MOS | Mossi
| Others |
| MOS | Motion Omit Sound
| Others |
| MOS | Motor Omnibus Services
| Others |
| MOS | Motor Only Sync
| Others |
| MOS | Mountain Ocean Sun
| Others |
| MOS | Mountain Ocean Sunshine
| Others |
| MOS | Mountain, Ocean, and Sun
| Others |
| MOS | Mountains Ocean And Sky
| Others |
| MOS | Mountains, Ocean, and Sun
| Others |
| MOS | Move Optimal Sequences
| Others |
| MOS | Multi Object Spectrograph
| Others |
| MOS | Multi Organoleptic Systems
| Others |
| MOS | Multiprogramming Operating System
| Others |
| MOS | Multiuser Operating System
| Others |
| MOS | Museum of Science
| Others |
| MOS | Music Of the Spirit
| Others |
| MOS | Mute On Slate
| Others |
| MOS | Mutual Offset System
| Others |
| MOS | My Oracle Support
| Others |
| MOS | My Other Secretary
| Others |
| MOS | My Own Science
| Others |
| MOS | My Own Store
| Others |