Wahlgren is a Swedish surname. Notable people with the surname include:
Daniel Wahlgren (born 1966), Swedish rapper Hans Wahlgren (1937–2024), Swedish actor Kari Wahlgren (born 1977), American voice actress Laila Bagge Wahlgren (born 1972), Swedish singer, manager and songwriter Lars-Anders Wahlgren (born 1966), Swedish tennis player Lars-Eric Wahlgren (1929–1999), Swedish lieutenant general Linus Wahlgren (born 1976), Swedish actor Marie Wahlgren (born 1962), Swedish Liberal People's Party politician (born 1965), Swedish actor, singer and presenter Pernilla Wahlgren (born 1967), Swedish singer and actress
See also Walgreen (disambiguation) Wallgren