Brownstone is a building material. The term is also used in the United States to refer to a townhouse clad in this material.
Brownstone may also refer to:
Brownstone (group), an American R&B group Brownstone (musical), a 1979 musical Brownstone (surname) The Brownstone Institute, a non-profit think tank founded by Jeffrey Tucker and opposing COVID-19 restrictions Brownstone Productions, a production company founded in 2002 by actor and producer Elizabeth Banks "Mr. Brownstone", a Guns N' Roses song "Brownstone", slang for impure illicit recreational drug mixtures such as black tar heroin, which can have a brown or dark coloration from impurities, whence the name of the Guns N' Roses song Brown Stone, a neighborhood in Beijing, China
Brownstones may refer to: Brownstones Formation, a geological formation found in the Anglo-Welsh Basin