The meaning of the Acronym LGM is...

LGM is

• Lone Gun Man

More Meanings For LGM:

• Last Glacial Maximum
• Lieutenant Governor Marketing
• Little Green Man
• Lieutenant Governor, Marketing
• Large Group Meeting
• Leumi Global Managers Fund
• Little Green Men
• Lone Gun Man

LGM is also in:

• Firms
• Law
• NASA
• Ocean Science
• Toastmasters
• Unfiled