Nyqvist is a surname. Notable people with the surname include:
Julius Nyqvist (born 1992), Finnish ice hockey player Michael Nyqvist (1960–2017), Swedish actor Per Nyqvist (born 1964), Swedish modern pentathlete Vaadjuv Nyqvist (1902–1961), Norwegian sailor Veikko Nyqvist (1916–1968), Finnish discus thrower
See also Nyquist