| MSG | Digitized voice file (ZVoice) 
| Others |
| MSG | Madison Square Garden
| Others |
| MSG | Madison Square Gardens
| Others |
| MSG | Maintenance Steering Group
| Others |
| MSG | Maitrise De Science De Gestion
| Others |
| MSG | Mammoet sliding gantry
| Others |
| MSG | Management Steering Group
| Others |
| MSG | Management System Guide
| Others |
| MSG | Mangotsfield Scout Group
| Others |
| MSG | Manufacturers Standard Gage
| Others |
| MSG | Manufacturers Standard Gauge
| Others |
| MSG | Marine Security Guard
| Others |
| MSG | Maritime Security Group
| Others |
| MSG | Marketing Systems Group
| Others |
| MSG | Mary's Secret Garden
| Others |
| MSG | Masked Sith Girl
| Others |
| MSG | Master in Science of Gerontology
| Others |
| MSG | Master Sergeant
| Military, Designation / Rank |
| MSG | Master Sermon For God
| Others |
| MSG | Masters Service Gram
| Others |
| MSG | Mcmurry Student Government
| Others |
| MSG | Mean Square For Groups
| Others |
| MSG | Mechanic Steering Gear
| Others |
| MSG | Mechanical Subsystem Group
| Others |
| MSG | Mega Song Grandslam
| Others |
| MSG | Melanesian Spearhead Group
| Others |
| MSG | Members' Services Group (of BVA)
| Others |
| MSG | Men's Small Group
| Others |
| MSG | Mens Small Group
| Others |
| MSG | Message
| Others |
| MSG | message As in Get
| Others |
| MSG | Message(s)
| Others |
| MSG | Metal Sear Golid
| Others |
| MSG | Metal Solid Gear
| Others |
| MSG | metal studs General
| Others |
| MSG | Meteosat Second Generation
| Others |
| MSG | Michael S Galpert
| Others |
| MSG | Michael Schenker Group
| Others |
| MSG | Microgravity Science Glovebox
| Others |
| MSG | Microwave Safe Grain
| Others |
| MSG | Middleton St George
| Others |
| MSG | Mighty Super Green
| Others |
| MSG | Militarisch Scharfschutzen Gewehr
| Others |
| MSG | Minimum Stable Generation
| Others |
| MSG | Ministry Strategy Group
| Others |
| MSG | Mink Shoals Gang
| Others |
| MSG | Mission Support Group
| Others |
| MSG | Mitered Splined Glued
| Others |
| MSG | Mitsubishi Space Gear
| Others |
| MSG | Mob Squad Gangstas
| Others |
| MSG | Mobile Suit Gundam
| Others |
| MSG | Mobile Suit Gundams
| Others |
| MSG | Mobilized Solutions Guide
| Others |
| MSG | Modular Synthesized Graphics
| Others |
| MSG | Moe's Southwest Grill
| Others |
| MSG | Monday Street Grub
| Others |
| MSG | Mono Sodium Glutamate
| Others |
| MSG | Monosodium Glutamate
| Others |
| MSG | Monster Sky Girl
| Others |
| MSG | More Sabines Gulls
| Others |
| MSG | Motorsport Gmbh
| Others |
| MSG | Motorsport Green
| Others |
| MSG | Motorsports Safety Group
| Others |
| MSG | Mourvedre Syrah Grenache
| Others |
| MSG | Movies Sounds And Goss
| Others |
| MSG | Movimiento Socialista de Galicia
| Others |
| MSG | Multi-Source Group
| Others |
| MSG | Multimedia Service Gateway
| Others |
| MSG | Multiplexed shotgun genotyping
| Others |
| MSG | Multiservice Security Gateway
| Others |
| MSG | My Sassy Girl
| Others |
| MSG | My Siargao Guide
| Others |
| MSG | My Star Gardens
| Others |
| MSG | My Statuesque Goddess
| Others |
| MSG | My Summer Girl
| Others |