LMG or lmg may refer to:
Organizations League of the Militant Godless The Leon M. Goldstein High School for the Sciences in Brooklyn, NY, US Linus Media Group, a Canadian entertainment company known for the Linus Tech Tips YouTube channel LMG, LLC, an American company BCCM/LMG, a bacterial collection in the Belgian Co-ordinated Collections of Micro-organisms
Other uses Light machine gun