title: W18
text: W18 may refer to:
  
   W-18 (drug), a designer drug
   British NVC community W18, a woodland community in the British National Vegetation Classification system
   Hansa-Brandenburg W.18, a German flying boat fighter
   , a tug of the Royal Navy
   Malgana language
   Mercedes-Benz W18, an automobile
   Snub dodecahedron
   Suburban Airport, in Anne Arundel County, Maryland, United States
   W18 engine, an eighteen-cylinder engine
   Water-jugs-in-stand (hieroglyph), an Egyptian hieroglyph