Renwick may refer to:

;Places

  • Renwick, Cumbria, England
  • Renwick, Iowa, United States
  • Renwick, New South Wales, Australia
  • Renwick, New York, United States, see List of places in New York: R
  • Renwick, New Zealand

;People

  • Sir Arthur Renwick (1837–1908), Australian physician, politician and philanthropist
  • Clan Renwick of Scotland
  • Alexander Macdonald Renwick (1888–1965) Moderator of the General Assembly of the Free Church of Scotland in 1931
  • David Renwick (born 1951), writer and creator of the BBC television sitcom One Foot in the Grave
  • Ed Renwick (1938–2020), Louisiana political scientist and political commentator
  • A number of people named James Renwick
  • John "Renny" Renwick, a fictional character from the Doc Savage book series
  • (1954–2006), French voice actor
  • Robert Renwick, 1st Baron Renwick (1904–1973), British industrialist and public servant
  • Renwick Baronets
  • Baron Renwick
  • Robbie Renwick (born 1988), Scottish swimmer
  • Renwick Williams, known as "The Monster", charged with various assaults in 1790<!--[http://www.exclassics.com/newgate/ng374.htm]-->

;Other

  • The Renwick Gallery in Washington, DC, United States