Dahlquist, Dahlqvist or Dahlkvist is a surname of Swedish origin. Notable people with the surname include:
Dahlquist Cathy Dahlquist (born 1960), American politician Ibe Dahlquist (1924–1996), Swedish silversmith Jon Dahlquist, founder of Dahlquist High Fidelity Speakers Charles W. Dahlquist II (born 1947), president of the Young Men organization of the Church of Jesus Christ of Latter-day Saints Chris Dahlquist (born 1962), U.S. ice hockey player Lasse Dahlquist (1910–1979), Swedish composer, singer and actor Gene Dahlquist (born 1942), American football player and coach Germund Dahlquist (1925–2005), Swedish mathematician Gordon Dahlquist, U.S. playwright and novelist John E. Dahlquist (1896–1975), U.S. Army general and World War II division commander Michael Dahlquist (1965–2005), drummer in the Seattle band Silkworm Patricia Dahlquist, Canadian singer and actress
Dahlqvist Alfred Dahlqvist (1914–1983), Swedish cross country skier Lars Dahlqvist (1935–1969), Swedish Nordic combined skier Robert Dahlqvist (1976–2017), guitarist of Thunder Express Åke Dahlqvist (1901–1991), Swedish cinematographer
Dahlkvist Lisa Dahlkvist (born 1987), Swedish football player Sven Dahlkvist (born 1955), Swedish former footballer
Fictional John Ezra Dahlquist, the protagonist of the Robert A. Heinlein short story The Long Watch