Duluth may refer to:

  • Duluth, Minnesota, a city in the United States
  • Duluth, Georgia, a suburb of Atlanta, in the United States
  • Duluth (album), an album by Trampled by Turtles
  • Duluth (novel), by Gore Vidal
  • "Duluth", a song by Mason Jennings from his 2000 album Birds Flying Away
  • USS Duluth (CL-87), light cruiser commissioned late in World War II
  • USS Duluth (LPD-6), amphibious transport dock commissioned in 1966
  • Daniel Greysolon, Sieur du Lhut, French explorer whose name is sometimes anglicized as DuLuth
  • Duluth Model, a program developed to reduce domestic violence