Tornquist or Törnquist or Tørnquist is a surname of Swedish origin. The word tornquist means "thorn branch". See also the spelling Törnqvist.
Tornquist may refer to:
Tornquist, Buenos Aires, a city in Buenos Aires Province, Argentina Tornquist Partido, a district in Buenos Aires Province, Argentina Tornquist Bay, along the north coast of South Georgia Tornquist Sea, a paleo-sea between Baltica and Avalonia during early Paleozoic time Tornquist line, Tornquist Zone, Tornquist Fan: suture features running through Europe from the North Sea to the Black Sea
People with the surname Alexander Tornquist (1868–1944), German-Austrian geologist Einar Tørnquist (born 1982), Norwegian comedian, talk-show host, and drummer Ernesto Tornquist (1842–1908), Argentine businessman Evie (singer) (born 1957) (Evie Karlsson, née Tornquist), American singer John Törnquist (1876–1937), Swedish missionary to Xinjiang Jorrit Tornquist (1938–2023), Austrian-Italian artist and color theorist Kristine Tornquist (born 1965), Austrian artist and stage director Ragnar Tørnquist (born 1970), Norwegian game designer and author Steffo Törnquist (born 1956), Swedish journalist