SWM may refer to:

• swm or Selbourne Window Manager, a free X Window manager

• SWM (motorcycles) or Speedy Working Motors, a manufacturer of off-road motorcycles in the 1970s and 1980s

• SWM (automobiles) Speedy Working Motors automotive brand established in 2016

• Stanford Watershed Model, a hydrology transport model

• South Wales Metro, a proposed train network across South Wales

• Stadtwerke München (SWM), German communal company, owned by the city of Munich

• Swanscombe railway station, Kent, England (National Rail station code)