BLM

The abbreviation BLM stands for:

Bavarian State Center for New Media , Munich
Lauterbrunnen – Mürren mountain railway in Switzerland
Berlin-Lübeck machine factory
Black Lives Matter
BLM Group , an international manufacturer of tube bending machines, tube saws, laser cutting machines and CNC forming machines
Boundary Layer Microphone , a type of microphone
Braunschweigisches Landesmuseum
Breese, Lawrence, Moulton Motor Car and Equipment Company , former American automobile manufacturer
Building Lifecycle Management , the special application of the product life cycle to buildings
Bureau of Land Management of the United States
Citizens' List Mittersill
Saint-Barthélemy (island) , ISO-3166-1 alpha 3 code

BLM as a distinguishing mark on license plates: