Wieselgren is a surname of Swedish origin. People with that name include:

Hans Wieselgren (born 1952), Swedish fencer who competed at the 1972 Munich Olympics Harald Wieselgren (1835–1906), Swedish librarian and author Ing-Marie Wieselgren (1958–2022), Swedish psychiatrist Peter Wieselgren (1800–1877), Lutheran priest and leader of the Swedish temperance movement

See also