Hallin is a surname, commonly used in Sweden. Notable people with the surname include:
Annika Hallin, Swedish actress Bertil Hallin (born 1931), Swedish musician Håkan Hallin (born 1968), Swedish TV personality Lena Hallin (born 1961), retired Swedish Air Force officer Linda Hallin (born 1996), Swedish footballer Margareta Hallin (1931–2020), Swedish opera singer Mats Hallin (born 1958), Swedish ice hockey player Mira Hallin (born 2006), Swedish ice hockey player Per Hallin (born 1980), Swedish ice hockey player
See also Hallin (disambiguation)